Discovery Engine API . projects . locations . collections . engines

Instance Methods

completionConfig()

Returns the completionConfig Resource.

controls()

Returns the controls Resource.

conversations()

Returns the conversations Resource.

operations()

Returns the operations Resource.

servingConfigs()

Returns the servingConfigs Resource.

sessions()

Returns the sessions Resource.

close()

Close httplib2 connections.

create(parent, body=None, engineId=None, x__xgafv=None)

Creates a Engine.

delete(name, x__xgafv=None)

Deletes a Engine.

get(name, x__xgafv=None)

Gets a Engine.

list(parent, filter=None, pageSize=None, pageToken=None, x__xgafv=None)

Lists all the Engines associated with the project.

list_next()

Retrieves the next page of results.

patch(name, body=None, updateMask=None, x__xgafv=None)

Updates an Engine

pause(name, body=None, x__xgafv=None)

Pauses the training of an existing engine. Only applicable if SolutionType is SOLUTION_TYPE_RECOMMENDATION.

resume(name, body=None, x__xgafv=None)

Resumes the training of an existing engine. Only applicable if SolutionType is SOLUTION_TYPE_RECOMMENDATION.

tune(name, body=None, x__xgafv=None)

Tunes an existing engine. Only applicable if SolutionType is SOLUTION_TYPE_RECOMMENDATION.

Method Details

close()
Close httplib2 connections.
create(parent, body=None, engineId=None, x__xgafv=None)
Creates a Engine.

Args:
  parent: string, Required. The parent resource name, such as `projects/{project}/locations/{location}/collections/{collection}`. (required)
  body: object, The request body.
    The object takes the form of:

{ # Metadata that describes the training and serving parameters of an Engine.
  "chatEngineConfig": { # Configurations for a Chat Engine. # Configurations for the Chat Engine. Only applicable if solution_type is SOLUTION_TYPE_CHAT.
    "agentCreationConfig": { # Configurations for generating a Dialogflow agent. Note that these configurations are one-time consumed by and passed to Dialogflow service. It means they cannot be retrieved using EngineService.GetEngine or EngineService.ListEngines API after engine creation. # The configurationt generate the Dialogflow agent that is associated to this Engine. Note that these configurations are one-time consumed by and passed to Dialogflow service. It means they cannot be retrieved using EngineService.GetEngine or EngineService.ListEngines API after engine creation.
      "business": "A String", # Name of the company, organization or other entity that the agent represents. Used for knowledge connector LLM prompt and for knowledge search.
      "defaultLanguageCode": "A String", # Required. The default language of the agent as a language tag. See [Language Support](https://cloud.google.com/dialogflow/docs/reference/language) for a list of the currently supported language codes.
      "location": "A String", # Agent location for Agent creation, supported values: global/us/eu. If not provided, us Engine will create Agent using us-central-1 by default; eu Engine will create Agent using eu-west-1 by default.
      "timeZone": "A String", # Required. The time zone of the agent from the [time zone database](https://www.iana.org/time-zones), e.g., America/New_York, Europe/Paris.
    },
    "dialogflowAgentToLink": "A String", # The resource name of an exist Dialogflow agent to link to this Chat Engine. Customers can either provide `agent_creation_config` to create agent or provide an agent name that links the agent with the Chat engine. Format: `projects//locations//agents/`. Note that the `dialogflow_agent_to_link` are one-time consumed by and passed to Dialogflow service. It means they cannot be retrieved using EngineService.GetEngine or EngineService.ListEngines API after engine creation. Use ChatEngineMetadata.dialogflow_agent for actual agent association after Engine is created.
  },
  "chatEngineMetadata": { # Additional information of a Chat Engine. Fields in this message are output only. # Output only. Additional information of the Chat Engine. Only applicable if solution_type is SOLUTION_TYPE_CHAT.
    "dialogflowAgent": "A String", # The resource name of a Dialogflow agent, that this Chat Engine refers to. Format: `projects//locations//agents/`.
  },
  "commonConfig": { # Common configurations for an Engine. # Common config spec that specifies the metadata of the engine.
    "companyName": "A String", # The name of the company, business or entity that is associated with the engine. Setting this may help improve LLM related features.
  },
  "createTime": "A String", # Output only. Timestamp the Recommendation Engine was created at.
  "dataStoreIds": [ # The data stores associated with this engine. For SOLUTION_TYPE_SEARCH and SOLUTION_TYPE_RECOMMENDATION type of engines, they can only associate with at most one data store. If solution_type is SOLUTION_TYPE_CHAT, multiple DataStores in the same Collection can be associated here. Note that when used in CreateEngineRequest, one DataStore id must be provided as the system will use it for necessary initializations.
    "A String",
  ],
  "disableAnalytics": True or False, # Optional. Whether to disable analytics for searches performed on this engine.
  "displayName": "A String", # Required. The display name of the engine. Should be human readable. UTF-8 encoded string with limit of 1024 characters.
  "industryVertical": "A String", # The industry vertical that the engine registers. The restriction of the Engine industry vertical is based on DataStore: If unspecified, default to `GENERIC`. Vertical on Engine has to match vertical of the DataStore linked to the engine.
  "mediaRecommendationEngineConfig": { # Additional config specs for a Media Recommendation engine. # Configurations for the Media Engine. Only applicable on the data stores with solution_type SOLUTION_TYPE_RECOMMENDATION and IndustryVertical.MEDIA vertical.
    "optimizationObjective": "A String", # The optimization objective. e.g., `cvr`. This field together with optimization_objective describe engine metadata to use to control engine training and serving. Currently supported values: `ctr`, `cvr`. If not specified, we choose default based on engine type. Default depends on type of recommendation: `recommended-for-you` => `ctr` `others-you-may-like` => `ctr`
    "optimizationObjectiveConfig": { # Custom threshold for `cvr` optimization_objective. # Name and value of the custom threshold for cvr optimization_objective. For target_field `watch-time`, target_field_value must be an integer value indicating the media progress time in seconds between (0, 86400] (excludes 0, includes 86400) (e.g., 90). For target_field `watch-percentage`, the target_field_value must be a valid float value between (0, 1.0] (excludes 0, includes 1.0) (e.g., 0.5).
      "targetField": "A String", # Required. The name of the field to target. Currently supported values: `watch-percentage`, `watch-time`.
      "targetFieldValueFloat": 3.14, # Required. The threshold to be applied to the target (e.g., 0.5).
    },
    "trainingState": "A String", # The training state that the engine is in (e.g. `TRAINING` or `PAUSED`). Since part of the cost of running the service is frequency of training - this can be used to determine when to train engine in order to control cost. If not specified: the default value for `CreateEngine` method is `TRAINING`. The default value for `UpdateEngine` method is to keep the state the same as before.
    "type": "A String", # Required. The type of engine. e.g., `recommended-for-you`. This field together with optimization_objective describe engine metadata to use to control engine training and serving. Currently supported values: `recommended-for-you`, `others-you-may-like`, `more-like-this`, `most-popular-items`.
  },
  "name": "A String", # Immutable. The fully qualified resource name of the engine. This field must be a UTF-8 encoded string with a length limit of 1024 characters. Format: `projects/{project}/locations/{location}/collections/{collection}/engines/{engine}` engine should be 1-63 characters, and valid characters are /a-z0-9*/. Otherwise, an INVALID_ARGUMENT error is returned.
  "recommendationMetadata": { # Additional information of a recommendation engine. # Output only. Additional information of a recommendation engine. Only applicable if solution_type is SOLUTION_TYPE_RECOMMENDATION.
    "dataState": "A String", # Output only. The state of data requirements for this engine: `DATA_OK` and `DATA_ERROR`. Engine cannot be trained if the data is in `DATA_ERROR` state. Engine can have `DATA_ERROR` state even if serving state is `ACTIVE`: engines were trained successfully before, but cannot be refreshed because the underlying engine no longer has sufficient data for training.
    "lastTuneTime": "A String", # Output only. The timestamp when the latest successful tune finished. Only applicable on Media Recommendation engines.
    "servingState": "A String", # Output only. The serving state of the engine: `ACTIVE`, `NOT_ACTIVE`.
    "tuningOperation": "A String", # Output only. The latest tune operation id associated with the engine. Only applicable on Media Recommendation engines. If present, this operation id can be used to determine if there is an ongoing tune for this engine. To check the operation status, send the GetOperation request with this operation id in the engine resource format. If no tuning has happened for this engine, the string is empty.
  },
  "searchEngineConfig": { # Configurations for a Search Engine. # Configurations for the Search Engine. Only applicable if solution_type is SOLUTION_TYPE_SEARCH.
    "searchAddOns": [ # The add-on that this search engine enables.
      "A String",
    ],
    "searchTier": "A String", # The search feature tier of this engine. Different tiers might have different pricing. To learn more, check the pricing documentation. Defaults to SearchTier.SEARCH_TIER_STANDARD if not specified.
  },
  "similarDocumentsConfig": { # Additional config specs for a `similar-items` engine. # Additional config specs for a `similar-items` engine.
  },
  "solutionType": "A String", # Required. The solutions of the engine.
  "updateTime": "A String", # Output only. Timestamp the Recommendation Engine was last updated.
}

  engineId: string, Required. The ID to use for the Engine, which will become the final component of the Engine's resource name. This field must conform to [RFC-1034](https://tools.ietf.org/html/rfc1034) standard with a length limit of 63 characters. Otherwise, an INVALID_ARGUMENT error is returned.
  x__xgafv: string, V1 error format.
    Allowed values
      1 - v1 error format
      2 - v2 error format

Returns:
  An object of the form:

    { # This resource represents a long-running operation that is the result of a network API call.
  "done": True or False, # If the value is `false`, it means the operation is still in progress. If `true`, the operation is completed, and either `error` or `response` is available.
  "error": { # The `Status` type defines a logical error model that is suitable for different programming environments, including REST APIs and RPC APIs. It is used by [gRPC](https://github.com/grpc). Each `Status` message contains three pieces of data: error code, error message, and error details. You can find out more about this error model and how to work with it in the [API Design Guide](https://cloud.google.com/apis/design/errors). # The error result of the operation in case of failure or cancellation.
    "code": 42, # The status code, which should be an enum value of google.rpc.Code.
    "details": [ # A list of messages that carry the error details. There is a common set of message types for APIs to use.
      {
        "a_key": "", # Properties of the object. Contains field @type with type URL.
      },
    ],
    "message": "A String", # A developer-facing error message, which should be in English. Any user-facing error message should be localized and sent in the google.rpc.Status.details field, or localized by the client.
  },
  "metadata": { # Service-specific metadata associated with the operation. It typically contains progress information and common metadata such as create time. Some services might not provide such metadata. Any method that returns a long-running operation should document the metadata type, if any.
    "a_key": "", # Properties of the object. Contains field @type with type URL.
  },
  "name": "A String", # The server-assigned name, which is only unique within the same service that originally returns it. If you use the default HTTP mapping, the `name` should be a resource name ending with `operations/{unique_id}`.
  "response": { # The normal, successful response of the operation. If the original method returns no data on success, such as `Delete`, the response is `google.protobuf.Empty`. If the original method is standard `Get`/`Create`/`Update`, the response should be the resource. For other methods, the response should have the type `XxxResponse`, where `Xxx` is the original method name. For example, if the original method name is `TakeSnapshot()`, the inferred response type is `TakeSnapshotResponse`.
    "a_key": "", # Properties of the object. Contains field @type with type URL.
  },
}
delete(name, x__xgafv=None)
Deletes a Engine.

Args:
  name: string, Required. Full resource name of Engine, such as `projects/{project}/locations/{location}/collections/{collection_id}/engines/{engine_id}`. If the caller does not have permission to delete the Engine, regardless of whether or not it exists, a PERMISSION_DENIED error is returned. If the Engine to delete does not exist, a NOT_FOUND error is returned. (required)
  x__xgafv: string, V1 error format.
    Allowed values
      1 - v1 error format
      2 - v2 error format

Returns:
  An object of the form:

    { # This resource represents a long-running operation that is the result of a network API call.
  "done": True or False, # If the value is `false`, it means the operation is still in progress. If `true`, the operation is completed, and either `error` or `response` is available.
  "error": { # The `Status` type defines a logical error model that is suitable for different programming environments, including REST APIs and RPC APIs. It is used by [gRPC](https://github.com/grpc). Each `Status` message contains three pieces of data: error code, error message, and error details. You can find out more about this error model and how to work with it in the [API Design Guide](https://cloud.google.com/apis/design/errors). # The error result of the operation in case of failure or cancellation.
    "code": 42, # The status code, which should be an enum value of google.rpc.Code.
    "details": [ # A list of messages that carry the error details. There is a common set of message types for APIs to use.
      {
        "a_key": "", # Properties of the object. Contains field @type with type URL.
      },
    ],
    "message": "A String", # A developer-facing error message, which should be in English. Any user-facing error message should be localized and sent in the google.rpc.Status.details field, or localized by the client.
  },
  "metadata": { # Service-specific metadata associated with the operation. It typically contains progress information and common metadata such as create time. Some services might not provide such metadata. Any method that returns a long-running operation should document the metadata type, if any.
    "a_key": "", # Properties of the object. Contains field @type with type URL.
  },
  "name": "A String", # The server-assigned name, which is only unique within the same service that originally returns it. If you use the default HTTP mapping, the `name` should be a resource name ending with `operations/{unique_id}`.
  "response": { # The normal, successful response of the operation. If the original method returns no data on success, such as `Delete`, the response is `google.protobuf.Empty`. If the original method is standard `Get`/`Create`/`Update`, the response should be the resource. For other methods, the response should have the type `XxxResponse`, where `Xxx` is the original method name. For example, if the original method name is `TakeSnapshot()`, the inferred response type is `TakeSnapshotResponse`.
    "a_key": "", # Properties of the object. Contains field @type with type URL.
  },
}
get(name, x__xgafv=None)
Gets a Engine.

Args:
  name: string, Required. Full resource name of Engine, such as `projects/{project}/locations/{location}/collections/{collection_id}/engines/{engine_id}`. (required)
  x__xgafv: string, V1 error format.
    Allowed values
      1 - v1 error format
      2 - v2 error format

Returns:
  An object of the form:

    { # Metadata that describes the training and serving parameters of an Engine.
  "chatEngineConfig": { # Configurations for a Chat Engine. # Configurations for the Chat Engine. Only applicable if solution_type is SOLUTION_TYPE_CHAT.
    "agentCreationConfig": { # Configurations for generating a Dialogflow agent. Note that these configurations are one-time consumed by and passed to Dialogflow service. It means they cannot be retrieved using EngineService.GetEngine or EngineService.ListEngines API after engine creation. # The configurationt generate the Dialogflow agent that is associated to this Engine. Note that these configurations are one-time consumed by and passed to Dialogflow service. It means they cannot be retrieved using EngineService.GetEngine or EngineService.ListEngines API after engine creation.
      "business": "A String", # Name of the company, organization or other entity that the agent represents. Used for knowledge connector LLM prompt and for knowledge search.
      "defaultLanguageCode": "A String", # Required. The default language of the agent as a language tag. See [Language Support](https://cloud.google.com/dialogflow/docs/reference/language) for a list of the currently supported language codes.
      "location": "A String", # Agent location for Agent creation, supported values: global/us/eu. If not provided, us Engine will create Agent using us-central-1 by default; eu Engine will create Agent using eu-west-1 by default.
      "timeZone": "A String", # Required. The time zone of the agent from the [time zone database](https://www.iana.org/time-zones), e.g., America/New_York, Europe/Paris.
    },
    "dialogflowAgentToLink": "A String", # The resource name of an exist Dialogflow agent to link to this Chat Engine. Customers can either provide `agent_creation_config` to create agent or provide an agent name that links the agent with the Chat engine. Format: `projects//locations//agents/`. Note that the `dialogflow_agent_to_link` are one-time consumed by and passed to Dialogflow service. It means they cannot be retrieved using EngineService.GetEngine or EngineService.ListEngines API after engine creation. Use ChatEngineMetadata.dialogflow_agent for actual agent association after Engine is created.
  },
  "chatEngineMetadata": { # Additional information of a Chat Engine. Fields in this message are output only. # Output only. Additional information of the Chat Engine. Only applicable if solution_type is SOLUTION_TYPE_CHAT.
    "dialogflowAgent": "A String", # The resource name of a Dialogflow agent, that this Chat Engine refers to. Format: `projects//locations//agents/`.
  },
  "commonConfig": { # Common configurations for an Engine. # Common config spec that specifies the metadata of the engine.
    "companyName": "A String", # The name of the company, business or entity that is associated with the engine. Setting this may help improve LLM related features.
  },
  "createTime": "A String", # Output only. Timestamp the Recommendation Engine was created at.
  "dataStoreIds": [ # The data stores associated with this engine. For SOLUTION_TYPE_SEARCH and SOLUTION_TYPE_RECOMMENDATION type of engines, they can only associate with at most one data store. If solution_type is SOLUTION_TYPE_CHAT, multiple DataStores in the same Collection can be associated here. Note that when used in CreateEngineRequest, one DataStore id must be provided as the system will use it for necessary initializations.
    "A String",
  ],
  "disableAnalytics": True or False, # Optional. Whether to disable analytics for searches performed on this engine.
  "displayName": "A String", # Required. The display name of the engine. Should be human readable. UTF-8 encoded string with limit of 1024 characters.
  "industryVertical": "A String", # The industry vertical that the engine registers. The restriction of the Engine industry vertical is based on DataStore: If unspecified, default to `GENERIC`. Vertical on Engine has to match vertical of the DataStore linked to the engine.
  "mediaRecommendationEngineConfig": { # Additional config specs for a Media Recommendation engine. # Configurations for the Media Engine. Only applicable on the data stores with solution_type SOLUTION_TYPE_RECOMMENDATION and IndustryVertical.MEDIA vertical.
    "optimizationObjective": "A String", # The optimization objective. e.g., `cvr`. This field together with optimization_objective describe engine metadata to use to control engine training and serving. Currently supported values: `ctr`, `cvr`. If not specified, we choose default based on engine type. Default depends on type of recommendation: `recommended-for-you` => `ctr` `others-you-may-like` => `ctr`
    "optimizationObjectiveConfig": { # Custom threshold for `cvr` optimization_objective. # Name and value of the custom threshold for cvr optimization_objective. For target_field `watch-time`, target_field_value must be an integer value indicating the media progress time in seconds between (0, 86400] (excludes 0, includes 86400) (e.g., 90). For target_field `watch-percentage`, the target_field_value must be a valid float value between (0, 1.0] (excludes 0, includes 1.0) (e.g., 0.5).
      "targetField": "A String", # Required. The name of the field to target. Currently supported values: `watch-percentage`, `watch-time`.
      "targetFieldValueFloat": 3.14, # Required. The threshold to be applied to the target (e.g., 0.5).
    },
    "trainingState": "A String", # The training state that the engine is in (e.g. `TRAINING` or `PAUSED`). Since part of the cost of running the service is frequency of training - this can be used to determine when to train engine in order to control cost. If not specified: the default value for `CreateEngine` method is `TRAINING`. The default value for `UpdateEngine` method is to keep the state the same as before.
    "type": "A String", # Required. The type of engine. e.g., `recommended-for-you`. This field together with optimization_objective describe engine metadata to use to control engine training and serving. Currently supported values: `recommended-for-you`, `others-you-may-like`, `more-like-this`, `most-popular-items`.
  },
  "name": "A String", # Immutable. The fully qualified resource name of the engine. This field must be a UTF-8 encoded string with a length limit of 1024 characters. Format: `projects/{project}/locations/{location}/collections/{collection}/engines/{engine}` engine should be 1-63 characters, and valid characters are /a-z0-9*/. Otherwise, an INVALID_ARGUMENT error is returned.
  "recommendationMetadata": { # Additional information of a recommendation engine. # Output only. Additional information of a recommendation engine. Only applicable if solution_type is SOLUTION_TYPE_RECOMMENDATION.
    "dataState": "A String", # Output only. The state of data requirements for this engine: `DATA_OK` and `DATA_ERROR`. Engine cannot be trained if the data is in `DATA_ERROR` state. Engine can have `DATA_ERROR` state even if serving state is `ACTIVE`: engines were trained successfully before, but cannot be refreshed because the underlying engine no longer has sufficient data for training.
    "lastTuneTime": "A String", # Output only. The timestamp when the latest successful tune finished. Only applicable on Media Recommendation engines.
    "servingState": "A String", # Output only. The serving state of the engine: `ACTIVE`, `NOT_ACTIVE`.
    "tuningOperation": "A String", # Output only. The latest tune operation id associated with the engine. Only applicable on Media Recommendation engines. If present, this operation id can be used to determine if there is an ongoing tune for this engine. To check the operation status, send the GetOperation request with this operation id in the engine resource format. If no tuning has happened for this engine, the string is empty.
  },
  "searchEngineConfig": { # Configurations for a Search Engine. # Configurations for the Search Engine. Only applicable if solution_type is SOLUTION_TYPE_SEARCH.
    "searchAddOns": [ # The add-on that this search engine enables.
      "A String",
    ],
    "searchTier": "A String", # The search feature tier of this engine. Different tiers might have different pricing. To learn more, check the pricing documentation. Defaults to SearchTier.SEARCH_TIER_STANDARD if not specified.
  },
  "similarDocumentsConfig": { # Additional config specs for a `similar-items` engine. # Additional config specs for a `similar-items` engine.
  },
  "solutionType": "A String", # Required. The solutions of the engine.
  "updateTime": "A String", # Output only. Timestamp the Recommendation Engine was last updated.
}
list(parent, filter=None, pageSize=None, pageToken=None, x__xgafv=None)
Lists all the Engines associated with the project.

Args:
  parent: string, Required. The parent resource name, such as `projects/{project}/locations/{location}/collections/{collection_id}`. (required)
  filter: string, Optional. Filter by solution type. For example: solution_type=SOLUTION_TYPE_SEARCH
  pageSize: integer, Optional. Not supported.
  pageToken: string, Optional. Not supported.
  x__xgafv: string, V1 error format.
    Allowed values
      1 - v1 error format
      2 - v2 error format

Returns:
  An object of the form:

    { # Response message for EngineService.ListEngines method.
  "engines": [ # All the customer's Engines.
    { # Metadata that describes the training and serving parameters of an Engine.
      "chatEngineConfig": { # Configurations for a Chat Engine. # Configurations for the Chat Engine. Only applicable if solution_type is SOLUTION_TYPE_CHAT.
        "agentCreationConfig": { # Configurations for generating a Dialogflow agent. Note that these configurations are one-time consumed by and passed to Dialogflow service. It means they cannot be retrieved using EngineService.GetEngine or EngineService.ListEngines API after engine creation. # The configurationt generate the Dialogflow agent that is associated to this Engine. Note that these configurations are one-time consumed by and passed to Dialogflow service. It means they cannot be retrieved using EngineService.GetEngine or EngineService.ListEngines API after engine creation.
          "business": "A String", # Name of the company, organization or other entity that the agent represents. Used for knowledge connector LLM prompt and for knowledge search.
          "defaultLanguageCode": "A String", # Required. The default language of the agent as a language tag. See [Language Support](https://cloud.google.com/dialogflow/docs/reference/language) for a list of the currently supported language codes.
          "location": "A String", # Agent location for Agent creation, supported values: global/us/eu. If not provided, us Engine will create Agent using us-central-1 by default; eu Engine will create Agent using eu-west-1 by default.
          "timeZone": "A String", # Required. The time zone of the agent from the [time zone database](https://www.iana.org/time-zones), e.g., America/New_York, Europe/Paris.
        },
        "dialogflowAgentToLink": "A String", # The resource name of an exist Dialogflow agent to link to this Chat Engine. Customers can either provide `agent_creation_config` to create agent or provide an agent name that links the agent with the Chat engine. Format: `projects//locations//agents/`. Note that the `dialogflow_agent_to_link` are one-time consumed by and passed to Dialogflow service. It means they cannot be retrieved using EngineService.GetEngine or EngineService.ListEngines API after engine creation. Use ChatEngineMetadata.dialogflow_agent for actual agent association after Engine is created.
      },
      "chatEngineMetadata": { # Additional information of a Chat Engine. Fields in this message are output only. # Output only. Additional information of the Chat Engine. Only applicable if solution_type is SOLUTION_TYPE_CHAT.
        "dialogflowAgent": "A String", # The resource name of a Dialogflow agent, that this Chat Engine refers to. Format: `projects//locations//agents/`.
      },
      "commonConfig": { # Common configurations for an Engine. # Common config spec that specifies the metadata of the engine.
        "companyName": "A String", # The name of the company, business or entity that is associated with the engine. Setting this may help improve LLM related features.
      },
      "createTime": "A String", # Output only. Timestamp the Recommendation Engine was created at.
      "dataStoreIds": [ # The data stores associated with this engine. For SOLUTION_TYPE_SEARCH and SOLUTION_TYPE_RECOMMENDATION type of engines, they can only associate with at most one data store. If solution_type is SOLUTION_TYPE_CHAT, multiple DataStores in the same Collection can be associated here. Note that when used in CreateEngineRequest, one DataStore id must be provided as the system will use it for necessary initializations.
        "A String",
      ],
      "disableAnalytics": True or False, # Optional. Whether to disable analytics for searches performed on this engine.
      "displayName": "A String", # Required. The display name of the engine. Should be human readable. UTF-8 encoded string with limit of 1024 characters.
      "industryVertical": "A String", # The industry vertical that the engine registers. The restriction of the Engine industry vertical is based on DataStore: If unspecified, default to `GENERIC`. Vertical on Engine has to match vertical of the DataStore linked to the engine.
      "mediaRecommendationEngineConfig": { # Additional config specs for a Media Recommendation engine. # Configurations for the Media Engine. Only applicable on the data stores with solution_type SOLUTION_TYPE_RECOMMENDATION and IndustryVertical.MEDIA vertical.
        "optimizationObjective": "A String", # The optimization objective. e.g., `cvr`. This field together with optimization_objective describe engine metadata to use to control engine training and serving. Currently supported values: `ctr`, `cvr`. If not specified, we choose default based on engine type. Default depends on type of recommendation: `recommended-for-you` => `ctr` `others-you-may-like` => `ctr`
        "optimizationObjectiveConfig": { # Custom threshold for `cvr` optimization_objective. # Name and value of the custom threshold for cvr optimization_objective. For target_field `watch-time`, target_field_value must be an integer value indicating the media progress time in seconds between (0, 86400] (excludes 0, includes 86400) (e.g., 90). For target_field `watch-percentage`, the target_field_value must be a valid float value between (0, 1.0] (excludes 0, includes 1.0) (e.g., 0.5).
          "targetField": "A String", # Required. The name of the field to target. Currently supported values: `watch-percentage`, `watch-time`.
          "targetFieldValueFloat": 3.14, # Required. The threshold to be applied to the target (e.g., 0.5).
        },
        "trainingState": "A String", # The training state that the engine is in (e.g. `TRAINING` or `PAUSED`). Since part of the cost of running the service is frequency of training - this can be used to determine when to train engine in order to control cost. If not specified: the default value for `CreateEngine` method is `TRAINING`. The default value for `UpdateEngine` method is to keep the state the same as before.
        "type": "A String", # Required. The type of engine. e.g., `recommended-for-you`. This field together with optimization_objective describe engine metadata to use to control engine training and serving. Currently supported values: `recommended-for-you`, `others-you-may-like`, `more-like-this`, `most-popular-items`.
      },
      "name": "A String", # Immutable. The fully qualified resource name of the engine. This field must be a UTF-8 encoded string with a length limit of 1024 characters. Format: `projects/{project}/locations/{location}/collections/{collection}/engines/{engine}` engine should be 1-63 characters, and valid characters are /a-z0-9*/. Otherwise, an INVALID_ARGUMENT error is returned.
      "recommendationMetadata": { # Additional information of a recommendation engine. # Output only. Additional information of a recommendation engine. Only applicable if solution_type is SOLUTION_TYPE_RECOMMENDATION.
        "dataState": "A String", # Output only. The state of data requirements for this engine: `DATA_OK` and `DATA_ERROR`. Engine cannot be trained if the data is in `DATA_ERROR` state. Engine can have `DATA_ERROR` state even if serving state is `ACTIVE`: engines were trained successfully before, but cannot be refreshed because the underlying engine no longer has sufficient data for training.
        "lastTuneTime": "A String", # Output only. The timestamp when the latest successful tune finished. Only applicable on Media Recommendation engines.
        "servingState": "A String", # Output only. The serving state of the engine: `ACTIVE`, `NOT_ACTIVE`.
        "tuningOperation": "A String", # Output only. The latest tune operation id associated with the engine. Only applicable on Media Recommendation engines. If present, this operation id can be used to determine if there is an ongoing tune for this engine. To check the operation status, send the GetOperation request with this operation id in the engine resource format. If no tuning has happened for this engine, the string is empty.
      },
      "searchEngineConfig": { # Configurations for a Search Engine. # Configurations for the Search Engine. Only applicable if solution_type is SOLUTION_TYPE_SEARCH.
        "searchAddOns": [ # The add-on that this search engine enables.
          "A String",
        ],
        "searchTier": "A String", # The search feature tier of this engine. Different tiers might have different pricing. To learn more, check the pricing documentation. Defaults to SearchTier.SEARCH_TIER_STANDARD if not specified.
      },
      "similarDocumentsConfig": { # Additional config specs for a `similar-items` engine. # Additional config specs for a `similar-items` engine.
      },
      "solutionType": "A String", # Required. The solutions of the engine.
      "updateTime": "A String", # Output only. Timestamp the Recommendation Engine was last updated.
    },
  ],
  "nextPageToken": "A String", # Not supported.
}
list_next()
Retrieves the next page of results.

        Args:
          previous_request: The request for the previous page. (required)
          previous_response: The response from the request for the previous page. (required)

        Returns:
          A request object that you can call 'execute()' on to request the next
          page. Returns None if there are no more items in the collection.
        
patch(name, body=None, updateMask=None, x__xgafv=None)
Updates an Engine

Args:
  name: string, Immutable. The fully qualified resource name of the engine. This field must be a UTF-8 encoded string with a length limit of 1024 characters. Format: `projects/{project}/locations/{location}/collections/{collection}/engines/{engine}` engine should be 1-63 characters, and valid characters are /a-z0-9*/. Otherwise, an INVALID_ARGUMENT error is returned. (required)
  body: object, The request body.
    The object takes the form of:

{ # Metadata that describes the training and serving parameters of an Engine.
  "chatEngineConfig": { # Configurations for a Chat Engine. # Configurations for the Chat Engine. Only applicable if solution_type is SOLUTION_TYPE_CHAT.
    "agentCreationConfig": { # Configurations for generating a Dialogflow agent. Note that these configurations are one-time consumed by and passed to Dialogflow service. It means they cannot be retrieved using EngineService.GetEngine or EngineService.ListEngines API after engine creation. # The configurationt generate the Dialogflow agent that is associated to this Engine. Note that these configurations are one-time consumed by and passed to Dialogflow service. It means they cannot be retrieved using EngineService.GetEngine or EngineService.ListEngines API after engine creation.
      "business": "A String", # Name of the company, organization or other entity that the agent represents. Used for knowledge connector LLM prompt and for knowledge search.
      "defaultLanguageCode": "A String", # Required. The default language of the agent as a language tag. See [Language Support](https://cloud.google.com/dialogflow/docs/reference/language) for a list of the currently supported language codes.
      "location": "A String", # Agent location for Agent creation, supported values: global/us/eu. If not provided, us Engine will create Agent using us-central-1 by default; eu Engine will create Agent using eu-west-1 by default.
      "timeZone": "A String", # Required. The time zone of the agent from the [time zone database](https://www.iana.org/time-zones), e.g., America/New_York, Europe/Paris.
    },
    "dialogflowAgentToLink": "A String", # The resource name of an exist Dialogflow agent to link to this Chat Engine. Customers can either provide `agent_creation_config` to create agent or provide an agent name that links the agent with the Chat engine. Format: `projects//locations//agents/`. Note that the `dialogflow_agent_to_link` are one-time consumed by and passed to Dialogflow service. It means they cannot be retrieved using EngineService.GetEngine or EngineService.ListEngines API after engine creation. Use ChatEngineMetadata.dialogflow_agent for actual agent association after Engine is created.
  },
  "chatEngineMetadata": { # Additional information of a Chat Engine. Fields in this message are output only. # Output only. Additional information of the Chat Engine. Only applicable if solution_type is SOLUTION_TYPE_CHAT.
    "dialogflowAgent": "A String", # The resource name of a Dialogflow agent, that this Chat Engine refers to. Format: `projects//locations//agents/`.
  },
  "commonConfig": { # Common configurations for an Engine. # Common config spec that specifies the metadata of the engine.
    "companyName": "A String", # The name of the company, business or entity that is associated with the engine. Setting this may help improve LLM related features.
  },
  "createTime": "A String", # Output only. Timestamp the Recommendation Engine was created at.
  "dataStoreIds": [ # The data stores associated with this engine. For SOLUTION_TYPE_SEARCH and SOLUTION_TYPE_RECOMMENDATION type of engines, they can only associate with at most one data store. If solution_type is SOLUTION_TYPE_CHAT, multiple DataStores in the same Collection can be associated here. Note that when used in CreateEngineRequest, one DataStore id must be provided as the system will use it for necessary initializations.
    "A String",
  ],
  "disableAnalytics": True or False, # Optional. Whether to disable analytics for searches performed on this engine.
  "displayName": "A String", # Required. The display name of the engine. Should be human readable. UTF-8 encoded string with limit of 1024 characters.
  "industryVertical": "A String", # The industry vertical that the engine registers. The restriction of the Engine industry vertical is based on DataStore: If unspecified, default to `GENERIC`. Vertical on Engine has to match vertical of the DataStore linked to the engine.
  "mediaRecommendationEngineConfig": { # Additional config specs for a Media Recommendation engine. # Configurations for the Media Engine. Only applicable on the data stores with solution_type SOLUTION_TYPE_RECOMMENDATION and IndustryVertical.MEDIA vertical.
    "optimizationObjective": "A String", # The optimization objective. e.g., `cvr`. This field together with optimization_objective describe engine metadata to use to control engine training and serving. Currently supported values: `ctr`, `cvr`. If not specified, we choose default based on engine type. Default depends on type of recommendation: `recommended-for-you` => `ctr` `others-you-may-like` => `ctr`
    "optimizationObjectiveConfig": { # Custom threshold for `cvr` optimization_objective. # Name and value of the custom threshold for cvr optimization_objective. For target_field `watch-time`, target_field_value must be an integer value indicating the media progress time in seconds between (0, 86400] (excludes 0, includes 86400) (e.g., 90). For target_field `watch-percentage`, the target_field_value must be a valid float value between (0, 1.0] (excludes 0, includes 1.0) (e.g., 0.5).
      "targetField": "A String", # Required. The name of the field to target. Currently supported values: `watch-percentage`, `watch-time`.
      "targetFieldValueFloat": 3.14, # Required. The threshold to be applied to the target (e.g., 0.5).
    },
    "trainingState": "A String", # The training state that the engine is in (e.g. `TRAINING` or `PAUSED`). Since part of the cost of running the service is frequency of training - this can be used to determine when to train engine in order to control cost. If not specified: the default value for `CreateEngine` method is `TRAINING`. The default value for `UpdateEngine` method is to keep the state the same as before.
    "type": "A String", # Required. The type of engine. e.g., `recommended-for-you`. This field together with optimization_objective describe engine metadata to use to control engine training and serving. Currently supported values: `recommended-for-you`, `others-you-may-like`, `more-like-this`, `most-popular-items`.
  },
  "name": "A String", # Immutable. The fully qualified resource name of the engine. This field must be a UTF-8 encoded string with a length limit of 1024 characters. Format: `projects/{project}/locations/{location}/collections/{collection}/engines/{engine}` engine should be 1-63 characters, and valid characters are /a-z0-9*/. Otherwise, an INVALID_ARGUMENT error is returned.
  "recommendationMetadata": { # Additional information of a recommendation engine. # Output only. Additional information of a recommendation engine. Only applicable if solution_type is SOLUTION_TYPE_RECOMMENDATION.
    "dataState": "A String", # Output only. The state of data requirements for this engine: `DATA_OK` and `DATA_ERROR`. Engine cannot be trained if the data is in `DATA_ERROR` state. Engine can have `DATA_ERROR` state even if serving state is `ACTIVE`: engines were trained successfully before, but cannot be refreshed because the underlying engine no longer has sufficient data for training.
    "lastTuneTime": "A String", # Output only. The timestamp when the latest successful tune finished. Only applicable on Media Recommendation engines.
    "servingState": "A String", # Output only. The serving state of the engine: `ACTIVE`, `NOT_ACTIVE`.
    "tuningOperation": "A String", # Output only. The latest tune operation id associated with the engine. Only applicable on Media Recommendation engines. If present, this operation id can be used to determine if there is an ongoing tune for this engine. To check the operation status, send the GetOperation request with this operation id in the engine resource format. If no tuning has happened for this engine, the string is empty.
  },
  "searchEngineConfig": { # Configurations for a Search Engine. # Configurations for the Search Engine. Only applicable if solution_type is SOLUTION_TYPE_SEARCH.
    "searchAddOns": [ # The add-on that this search engine enables.
      "A String",
    ],
    "searchTier": "A String", # The search feature tier of this engine. Different tiers might have different pricing. To learn more, check the pricing documentation. Defaults to SearchTier.SEARCH_TIER_STANDARD if not specified.
  },
  "similarDocumentsConfig": { # Additional config specs for a `similar-items` engine. # Additional config specs for a `similar-items` engine.
  },
  "solutionType": "A String", # Required. The solutions of the engine.
  "updateTime": "A String", # Output only. Timestamp the Recommendation Engine was last updated.
}

  updateMask: string, Indicates which fields in the provided Engine to update. If an unsupported or unknown field is provided, an INVALID_ARGUMENT error is returned.
  x__xgafv: string, V1 error format.
    Allowed values
      1 - v1 error format
      2 - v2 error format

Returns:
  An object of the form:

    { # Metadata that describes the training and serving parameters of an Engine.
  "chatEngineConfig": { # Configurations for a Chat Engine. # Configurations for the Chat Engine. Only applicable if solution_type is SOLUTION_TYPE_CHAT.
    "agentCreationConfig": { # Configurations for generating a Dialogflow agent. Note that these configurations are one-time consumed by and passed to Dialogflow service. It means they cannot be retrieved using EngineService.GetEngine or EngineService.ListEngines API after engine creation. # The configurationt generate the Dialogflow agent that is associated to this Engine. Note that these configurations are one-time consumed by and passed to Dialogflow service. It means they cannot be retrieved using EngineService.GetEngine or EngineService.ListEngines API after engine creation.
      "business": "A String", # Name of the company, organization or other entity that the agent represents. Used for knowledge connector LLM prompt and for knowledge search.
      "defaultLanguageCode": "A String", # Required. The default language of the agent as a language tag. See [Language Support](https://cloud.google.com/dialogflow/docs/reference/language) for a list of the currently supported language codes.
      "location": "A String", # Agent location for Agent creation, supported values: global/us/eu. If not provided, us Engine will create Agent using us-central-1 by default; eu Engine will create Agent using eu-west-1 by default.
      "timeZone": "A String", # Required. The time zone of the agent from the [time zone database](https://www.iana.org/time-zones), e.g., America/New_York, Europe/Paris.
    },
    "dialogflowAgentToLink": "A String", # The resource name of an exist Dialogflow agent to link to this Chat Engine. Customers can either provide `agent_creation_config` to create agent or provide an agent name that links the agent with the Chat engine. Format: `projects//locations//agents/`. Note that the `dialogflow_agent_to_link` are one-time consumed by and passed to Dialogflow service. It means they cannot be retrieved using EngineService.GetEngine or EngineService.ListEngines API after engine creation. Use ChatEngineMetadata.dialogflow_agent for actual agent association after Engine is created.
  },
  "chatEngineMetadata": { # Additional information of a Chat Engine. Fields in this message are output only. # Output only. Additional information of the Chat Engine. Only applicable if solution_type is SOLUTION_TYPE_CHAT.
    "dialogflowAgent": "A String", # The resource name of a Dialogflow agent, that this Chat Engine refers to. Format: `projects//locations//agents/`.
  },
  "commonConfig": { # Common configurations for an Engine. # Common config spec that specifies the metadata of the engine.
    "companyName": "A String", # The name of the company, business or entity that is associated with the engine. Setting this may help improve LLM related features.
  },
  "createTime": "A String", # Output only. Timestamp the Recommendation Engine was created at.
  "dataStoreIds": [ # The data stores associated with this engine. For SOLUTION_TYPE_SEARCH and SOLUTION_TYPE_RECOMMENDATION type of engines, they can only associate with at most one data store. If solution_type is SOLUTION_TYPE_CHAT, multiple DataStores in the same Collection can be associated here. Note that when used in CreateEngineRequest, one DataStore id must be provided as the system will use it for necessary initializations.
    "A String",
  ],
  "disableAnalytics": True or False, # Optional. Whether to disable analytics for searches performed on this engine.
  "displayName": "A String", # Required. The display name of the engine. Should be human readable. UTF-8 encoded string with limit of 1024 characters.
  "industryVertical": "A String", # The industry vertical that the engine registers. The restriction of the Engine industry vertical is based on DataStore: If unspecified, default to `GENERIC`. Vertical on Engine has to match vertical of the DataStore linked to the engine.
  "mediaRecommendationEngineConfig": { # Additional config specs for a Media Recommendation engine. # Configurations for the Media Engine. Only applicable on the data stores with solution_type SOLUTION_TYPE_RECOMMENDATION and IndustryVertical.MEDIA vertical.
    "optimizationObjective": "A String", # The optimization objective. e.g., `cvr`. This field together with optimization_objective describe engine metadata to use to control engine training and serving. Currently supported values: `ctr`, `cvr`. If not specified, we choose default based on engine type. Default depends on type of recommendation: `recommended-for-you` => `ctr` `others-you-may-like` => `ctr`
    "optimizationObjectiveConfig": { # Custom threshold for `cvr` optimization_objective. # Name and value of the custom threshold for cvr optimization_objective. For target_field `watch-time`, target_field_value must be an integer value indicating the media progress time in seconds between (0, 86400] (excludes 0, includes 86400) (e.g., 90). For target_field `watch-percentage`, the target_field_value must be a valid float value between (0, 1.0] (excludes 0, includes 1.0) (e.g., 0.5).
      "targetField": "A String", # Required. The name of the field to target. Currently supported values: `watch-percentage`, `watch-time`.
      "targetFieldValueFloat": 3.14, # Required. The threshold to be applied to the target (e.g., 0.5).
    },
    "trainingState": "A String", # The training state that the engine is in (e.g. `TRAINING` or `PAUSED`). Since part of the cost of running the service is frequency of training - this can be used to determine when to train engine in order to control cost. If not specified: the default value for `CreateEngine` method is `TRAINING`. The default value for `UpdateEngine` method is to keep the state the same as before.
    "type": "A String", # Required. The type of engine. e.g., `recommended-for-you`. This field together with optimization_objective describe engine metadata to use to control engine training and serving. Currently supported values: `recommended-for-you`, `others-you-may-like`, `more-like-this`, `most-popular-items`.
  },
  "name": "A String", # Immutable. The fully qualified resource name of the engine. This field must be a UTF-8 encoded string with a length limit of 1024 characters. Format: `projects/{project}/locations/{location}/collections/{collection}/engines/{engine}` engine should be 1-63 characters, and valid characters are /a-z0-9*/. Otherwise, an INVALID_ARGUMENT error is returned.
  "recommendationMetadata": { # Additional information of a recommendation engine. # Output only. Additional information of a recommendation engine. Only applicable if solution_type is SOLUTION_TYPE_RECOMMENDATION.
    "dataState": "A String", # Output only. The state of data requirements for this engine: `DATA_OK` and `DATA_ERROR`. Engine cannot be trained if the data is in `DATA_ERROR` state. Engine can have `DATA_ERROR` state even if serving state is `ACTIVE`: engines were trained successfully before, but cannot be refreshed because the underlying engine no longer has sufficient data for training.
    "lastTuneTime": "A String", # Output only. The timestamp when the latest successful tune finished. Only applicable on Media Recommendation engines.
    "servingState": "A String", # Output only. The serving state of the engine: `ACTIVE`, `NOT_ACTIVE`.
    "tuningOperation": "A String", # Output only. The latest tune operation id associated with the engine. Only applicable on Media Recommendation engines. If present, this operation id can be used to determine if there is an ongoing tune for this engine. To check the operation status, send the GetOperation request with this operation id in the engine resource format. If no tuning has happened for this engine, the string is empty.
  },
  "searchEngineConfig": { # Configurations for a Search Engine. # Configurations for the Search Engine. Only applicable if solution_type is SOLUTION_TYPE_SEARCH.
    "searchAddOns": [ # The add-on that this search engine enables.
      "A String",
    ],
    "searchTier": "A String", # The search feature tier of this engine. Different tiers might have different pricing. To learn more, check the pricing documentation. Defaults to SearchTier.SEARCH_TIER_STANDARD if not specified.
  },
  "similarDocumentsConfig": { # Additional config specs for a `similar-items` engine. # Additional config specs for a `similar-items` engine.
  },
  "solutionType": "A String", # Required. The solutions of the engine.
  "updateTime": "A String", # Output only. Timestamp the Recommendation Engine was last updated.
}
pause(name, body=None, x__xgafv=None)
Pauses the training of an existing engine. Only applicable if SolutionType is SOLUTION_TYPE_RECOMMENDATION.

Args:
  name: string, Required. The name of the engine to pause. Format: `projects/{project}/locations/{location}/collections/{collection_id}/engines/{engine_id}` (required)
  body: object, The request body.
    The object takes the form of:

{ # Request for pausing training of an engine.
}

  x__xgafv: string, V1 error format.
    Allowed values
      1 - v1 error format
      2 - v2 error format

Returns:
  An object of the form:

    { # Metadata that describes the training and serving parameters of an Engine.
  "chatEngineConfig": { # Configurations for a Chat Engine. # Configurations for the Chat Engine. Only applicable if solution_type is SOLUTION_TYPE_CHAT.
    "agentCreationConfig": { # Configurations for generating a Dialogflow agent. Note that these configurations are one-time consumed by and passed to Dialogflow service. It means they cannot be retrieved using EngineService.GetEngine or EngineService.ListEngines API after engine creation. # The configurationt generate the Dialogflow agent that is associated to this Engine. Note that these configurations are one-time consumed by and passed to Dialogflow service. It means they cannot be retrieved using EngineService.GetEngine or EngineService.ListEngines API after engine creation.
      "business": "A String", # Name of the company, organization or other entity that the agent represents. Used for knowledge connector LLM prompt and for knowledge search.
      "defaultLanguageCode": "A String", # Required. The default language of the agent as a language tag. See [Language Support](https://cloud.google.com/dialogflow/docs/reference/language) for a list of the currently supported language codes.
      "location": "A String", # Agent location for Agent creation, supported values: global/us/eu. If not provided, us Engine will create Agent using us-central-1 by default; eu Engine will create Agent using eu-west-1 by default.
      "timeZone": "A String", # Required. The time zone of the agent from the [time zone database](https://www.iana.org/time-zones), e.g., America/New_York, Europe/Paris.
    },
    "dialogflowAgentToLink": "A String", # The resource name of an exist Dialogflow agent to link to this Chat Engine. Customers can either provide `agent_creation_config` to create agent or provide an agent name that links the agent with the Chat engine. Format: `projects//locations//agents/`. Note that the `dialogflow_agent_to_link` are one-time consumed by and passed to Dialogflow service. It means they cannot be retrieved using EngineService.GetEngine or EngineService.ListEngines API after engine creation. Use ChatEngineMetadata.dialogflow_agent for actual agent association after Engine is created.
  },
  "chatEngineMetadata": { # Additional information of a Chat Engine. Fields in this message are output only. # Output only. Additional information of the Chat Engine. Only applicable if solution_type is SOLUTION_TYPE_CHAT.
    "dialogflowAgent": "A String", # The resource name of a Dialogflow agent, that this Chat Engine refers to. Format: `projects//locations//agents/`.
  },
  "commonConfig": { # Common configurations for an Engine. # Common config spec that specifies the metadata of the engine.
    "companyName": "A String", # The name of the company, business or entity that is associated with the engine. Setting this may help improve LLM related features.
  },
  "createTime": "A String", # Output only. Timestamp the Recommendation Engine was created at.
  "dataStoreIds": [ # The data stores associated with this engine. For SOLUTION_TYPE_SEARCH and SOLUTION_TYPE_RECOMMENDATION type of engines, they can only associate with at most one data store. If solution_type is SOLUTION_TYPE_CHAT, multiple DataStores in the same Collection can be associated here. Note that when used in CreateEngineRequest, one DataStore id must be provided as the system will use it for necessary initializations.
    "A String",
  ],
  "disableAnalytics": True or False, # Optional. Whether to disable analytics for searches performed on this engine.
  "displayName": "A String", # Required. The display name of the engine. Should be human readable. UTF-8 encoded string with limit of 1024 characters.
  "industryVertical": "A String", # The industry vertical that the engine registers. The restriction of the Engine industry vertical is based on DataStore: If unspecified, default to `GENERIC`. Vertical on Engine has to match vertical of the DataStore linked to the engine.
  "mediaRecommendationEngineConfig": { # Additional config specs for a Media Recommendation engine. # Configurations for the Media Engine. Only applicable on the data stores with solution_type SOLUTION_TYPE_RECOMMENDATION and IndustryVertical.MEDIA vertical.
    "optimizationObjective": "A String", # The optimization objective. e.g., `cvr`. This field together with optimization_objective describe engine metadata to use to control engine training and serving. Currently supported values: `ctr`, `cvr`. If not specified, we choose default based on engine type. Default depends on type of recommendation: `recommended-for-you` => `ctr` `others-you-may-like` => `ctr`
    "optimizationObjectiveConfig": { # Custom threshold for `cvr` optimization_objective. # Name and value of the custom threshold for cvr optimization_objective. For target_field `watch-time`, target_field_value must be an integer value indicating the media progress time in seconds between (0, 86400] (excludes 0, includes 86400) (e.g., 90). For target_field `watch-percentage`, the target_field_value must be a valid float value between (0, 1.0] (excludes 0, includes 1.0) (e.g., 0.5).
      "targetField": "A String", # Required. The name of the field to target. Currently supported values: `watch-percentage`, `watch-time`.
      "targetFieldValueFloat": 3.14, # Required. The threshold to be applied to the target (e.g., 0.5).
    },
    "trainingState": "A String", # The training state that the engine is in (e.g. `TRAINING` or `PAUSED`). Since part of the cost of running the service is frequency of training - this can be used to determine when to train engine in order to control cost. If not specified: the default value for `CreateEngine` method is `TRAINING`. The default value for `UpdateEngine` method is to keep the state the same as before.
    "type": "A String", # Required. The type of engine. e.g., `recommended-for-you`. This field together with optimization_objective describe engine metadata to use to control engine training and serving. Currently supported values: `recommended-for-you`, `others-you-may-like`, `more-like-this`, `most-popular-items`.
  },
  "name": "A String", # Immutable. The fully qualified resource name of the engine. This field must be a UTF-8 encoded string with a length limit of 1024 characters. Format: `projects/{project}/locations/{location}/collections/{collection}/engines/{engine}` engine should be 1-63 characters, and valid characters are /a-z0-9*/. Otherwise, an INVALID_ARGUMENT error is returned.
  "recommendationMetadata": { # Additional information of a recommendation engine. # Output only. Additional information of a recommendation engine. Only applicable if solution_type is SOLUTION_TYPE_RECOMMENDATION.
    "dataState": "A String", # Output only. The state of data requirements for this engine: `DATA_OK` and `DATA_ERROR`. Engine cannot be trained if the data is in `DATA_ERROR` state. Engine can have `DATA_ERROR` state even if serving state is `ACTIVE`: engines were trained successfully before, but cannot be refreshed because the underlying engine no longer has sufficient data for training.
    "lastTuneTime": "A String", # Output only. The timestamp when the latest successful tune finished. Only applicable on Media Recommendation engines.
    "servingState": "A String", # Output only. The serving state of the engine: `ACTIVE`, `NOT_ACTIVE`.
    "tuningOperation": "A String", # Output only. The latest tune operation id associated with the engine. Only applicable on Media Recommendation engines. If present, this operation id can be used to determine if there is an ongoing tune for this engine. To check the operation status, send the GetOperation request with this operation id in the engine resource format. If no tuning has happened for this engine, the string is empty.
  },
  "searchEngineConfig": { # Configurations for a Search Engine. # Configurations for the Search Engine. Only applicable if solution_type is SOLUTION_TYPE_SEARCH.
    "searchAddOns": [ # The add-on that this search engine enables.
      "A String",
    ],
    "searchTier": "A String", # The search feature tier of this engine. Different tiers might have different pricing. To learn more, check the pricing documentation. Defaults to SearchTier.SEARCH_TIER_STANDARD if not specified.
  },
  "similarDocumentsConfig": { # Additional config specs for a `similar-items` engine. # Additional config specs for a `similar-items` engine.
  },
  "solutionType": "A String", # Required. The solutions of the engine.
  "updateTime": "A String", # Output only. Timestamp the Recommendation Engine was last updated.
}
resume(name, body=None, x__xgafv=None)
Resumes the training of an existing engine. Only applicable if SolutionType is SOLUTION_TYPE_RECOMMENDATION.

Args:
  name: string, Required. The name of the engine to resume. Format: `projects/{project}/locations/{location}/collections/{collection_id}/engines/{engine_id}` (required)
  body: object, The request body.
    The object takes the form of:

{ # Request for resuming training of an engine.
}

  x__xgafv: string, V1 error format.
    Allowed values
      1 - v1 error format
      2 - v2 error format

Returns:
  An object of the form:

    { # Metadata that describes the training and serving parameters of an Engine.
  "chatEngineConfig": { # Configurations for a Chat Engine. # Configurations for the Chat Engine. Only applicable if solution_type is SOLUTION_TYPE_CHAT.
    "agentCreationConfig": { # Configurations for generating a Dialogflow agent. Note that these configurations are one-time consumed by and passed to Dialogflow service. It means they cannot be retrieved using EngineService.GetEngine or EngineService.ListEngines API after engine creation. # The configurationt generate the Dialogflow agent that is associated to this Engine. Note that these configurations are one-time consumed by and passed to Dialogflow service. It means they cannot be retrieved using EngineService.GetEngine or EngineService.ListEngines API after engine creation.
      "business": "A String", # Name of the company, organization or other entity that the agent represents. Used for knowledge connector LLM prompt and for knowledge search.
      "defaultLanguageCode": "A String", # Required. The default language of the agent as a language tag. See [Language Support](https://cloud.google.com/dialogflow/docs/reference/language) for a list of the currently supported language codes.
      "location": "A String", # Agent location for Agent creation, supported values: global/us/eu. If not provided, us Engine will create Agent using us-central-1 by default; eu Engine will create Agent using eu-west-1 by default.
      "timeZone": "A String", # Required. The time zone of the agent from the [time zone database](https://www.iana.org/time-zones), e.g., America/New_York, Europe/Paris.
    },
    "dialogflowAgentToLink": "A String", # The resource name of an exist Dialogflow agent to link to this Chat Engine. Customers can either provide `agent_creation_config` to create agent or provide an agent name that links the agent with the Chat engine. Format: `projects//locations//agents/`. Note that the `dialogflow_agent_to_link` are one-time consumed by and passed to Dialogflow service. It means they cannot be retrieved using EngineService.GetEngine or EngineService.ListEngines API after engine creation. Use ChatEngineMetadata.dialogflow_agent for actual agent association after Engine is created.
  },
  "chatEngineMetadata": { # Additional information of a Chat Engine. Fields in this message are output only. # Output only. Additional information of the Chat Engine. Only applicable if solution_type is SOLUTION_TYPE_CHAT.
    "dialogflowAgent": "A String", # The resource name of a Dialogflow agent, that this Chat Engine refers to. Format: `projects//locations//agents/`.
  },
  "commonConfig": { # Common configurations for an Engine. # Common config spec that specifies the metadata of the engine.
    "companyName": "A String", # The name of the company, business or entity that is associated with the engine. Setting this may help improve LLM related features.
  },
  "createTime": "A String", # Output only. Timestamp the Recommendation Engine was created at.
  "dataStoreIds": [ # The data stores associated with this engine. For SOLUTION_TYPE_SEARCH and SOLUTION_TYPE_RECOMMENDATION type of engines, they can only associate with at most one data store. If solution_type is SOLUTION_TYPE_CHAT, multiple DataStores in the same Collection can be associated here. Note that when used in CreateEngineRequest, one DataStore id must be provided as the system will use it for necessary initializations.
    "A String",
  ],
  "disableAnalytics": True or False, # Optional. Whether to disable analytics for searches performed on this engine.
  "displayName": "A String", # Required. The display name of the engine. Should be human readable. UTF-8 encoded string with limit of 1024 characters.
  "industryVertical": "A String", # The industry vertical that the engine registers. The restriction of the Engine industry vertical is based on DataStore: If unspecified, default to `GENERIC`. Vertical on Engine has to match vertical of the DataStore linked to the engine.
  "mediaRecommendationEngineConfig": { # Additional config specs for a Media Recommendation engine. # Configurations for the Media Engine. Only applicable on the data stores with solution_type SOLUTION_TYPE_RECOMMENDATION and IndustryVertical.MEDIA vertical.
    "optimizationObjective": "A String", # The optimization objective. e.g., `cvr`. This field together with optimization_objective describe engine metadata to use to control engine training and serving. Currently supported values: `ctr`, `cvr`. If not specified, we choose default based on engine type. Default depends on type of recommendation: `recommended-for-you` => `ctr` `others-you-may-like` => `ctr`
    "optimizationObjectiveConfig": { # Custom threshold for `cvr` optimization_objective. # Name and value of the custom threshold for cvr optimization_objective. For target_field `watch-time`, target_field_value must be an integer value indicating the media progress time in seconds between (0, 86400] (excludes 0, includes 86400) (e.g., 90). For target_field `watch-percentage`, the target_field_value must be a valid float value between (0, 1.0] (excludes 0, includes 1.0) (e.g., 0.5).
      "targetField": "A String", # Required. The name of the field to target. Currently supported values: `watch-percentage`, `watch-time`.
      "targetFieldValueFloat": 3.14, # Required. The threshold to be applied to the target (e.g., 0.5).
    },
    "trainingState": "A String", # The training state that the engine is in (e.g. `TRAINING` or `PAUSED`). Since part of the cost of running the service is frequency of training - this can be used to determine when to train engine in order to control cost. If not specified: the default value for `CreateEngine` method is `TRAINING`. The default value for `UpdateEngine` method is to keep the state the same as before.
    "type": "A String", # Required. The type of engine. e.g., `recommended-for-you`. This field together with optimization_objective describe engine metadata to use to control engine training and serving. Currently supported values: `recommended-for-you`, `others-you-may-like`, `more-like-this`, `most-popular-items`.
  },
  "name": "A String", # Immutable. The fully qualified resource name of the engine. This field must be a UTF-8 encoded string with a length limit of 1024 characters. Format: `projects/{project}/locations/{location}/collections/{collection}/engines/{engine}` engine should be 1-63 characters, and valid characters are /a-z0-9*/. Otherwise, an INVALID_ARGUMENT error is returned.
  "recommendationMetadata": { # Additional information of a recommendation engine. # Output only. Additional information of a recommendation engine. Only applicable if solution_type is SOLUTION_TYPE_RECOMMENDATION.
    "dataState": "A String", # Output only. The state of data requirements for this engine: `DATA_OK` and `DATA_ERROR`. Engine cannot be trained if the data is in `DATA_ERROR` state. Engine can have `DATA_ERROR` state even if serving state is `ACTIVE`: engines were trained successfully before, but cannot be refreshed because the underlying engine no longer has sufficient data for training.
    "lastTuneTime": "A String", # Output only. The timestamp when the latest successful tune finished. Only applicable on Media Recommendation engines.
    "servingState": "A String", # Output only. The serving state of the engine: `ACTIVE`, `NOT_ACTIVE`.
    "tuningOperation": "A String", # Output only. The latest tune operation id associated with the engine. Only applicable on Media Recommendation engines. If present, this operation id can be used to determine if there is an ongoing tune for this engine. To check the operation status, send the GetOperation request with this operation id in the engine resource format. If no tuning has happened for this engine, the string is empty.
  },
  "searchEngineConfig": { # Configurations for a Search Engine. # Configurations for the Search Engine. Only applicable if solution_type is SOLUTION_TYPE_SEARCH.
    "searchAddOns": [ # The add-on that this search engine enables.
      "A String",
    ],
    "searchTier": "A String", # The search feature tier of this engine. Different tiers might have different pricing. To learn more, check the pricing documentation. Defaults to SearchTier.SEARCH_TIER_STANDARD if not specified.
  },
  "similarDocumentsConfig": { # Additional config specs for a `similar-items` engine. # Additional config specs for a `similar-items` engine.
  },
  "solutionType": "A String", # Required. The solutions of the engine.
  "updateTime": "A String", # Output only. Timestamp the Recommendation Engine was last updated.
}
tune(name, body=None, x__xgafv=None)
Tunes an existing engine. Only applicable if SolutionType is SOLUTION_TYPE_RECOMMENDATION.

Args:
  name: string, Required. The resource name of the engine to tune. Format: `projects/{project}/locations/{location}/collections/{collection_id}/engines/{engine_id}` (required)
  body: object, The request body.
    The object takes the form of:

{ # Request to manually start a tuning process now (instead of waiting for the periodically scheduled tuning to happen).
}

  x__xgafv: string, V1 error format.
    Allowed values
      1 - v1 error format
      2 - v2 error format

Returns:
  An object of the form:

    { # This resource represents a long-running operation that is the result of a network API call.
  "done": True or False, # If the value is `false`, it means the operation is still in progress. If `true`, the operation is completed, and either `error` or `response` is available.
  "error": { # The `Status` type defines a logical error model that is suitable for different programming environments, including REST APIs and RPC APIs. It is used by [gRPC](https://github.com/grpc). Each `Status` message contains three pieces of data: error code, error message, and error details. You can find out more about this error model and how to work with it in the [API Design Guide](https://cloud.google.com/apis/design/errors). # The error result of the operation in case of failure or cancellation.
    "code": 42, # The status code, which should be an enum value of google.rpc.Code.
    "details": [ # A list of messages that carry the error details. There is a common set of message types for APIs to use.
      {
        "a_key": "", # Properties of the object. Contains field @type with type URL.
      },
    ],
    "message": "A String", # A developer-facing error message, which should be in English. Any user-facing error message should be localized and sent in the google.rpc.Status.details field, or localized by the client.
  },
  "metadata": { # Service-specific metadata associated with the operation. It typically contains progress information and common metadata such as create time. Some services might not provide such metadata. Any method that returns a long-running operation should document the metadata type, if any.
    "a_key": "", # Properties of the object. Contains field @type with type URL.
  },
  "name": "A String", # The server-assigned name, which is only unique within the same service that originally returns it. If you use the default HTTP mapping, the `name` should be a resource name ending with `operations/{unique_id}`.
  "response": { # The normal, successful response of the operation. If the original method returns no data on success, such as `Delete`, the response is `google.protobuf.Empty`. If the original method is standard `Get`/`Create`/`Update`, the response should be the resource. For other methods, the response should have the type `XxxResponse`, where `Xxx` is the original method name. For example, if the original method name is `TakeSnapshot()`, the inferred response type is `TakeSnapshotResponse`.
    "a_key": "", # Properties of the object. Contains field @type with type URL.
  },
}