Retrieve from Vertex AI Search datastore for grounding. See https://cloud.google.com/products/agent-builder
Optional
Required. Fully-qualified Vertex AI Search data store resource ID. Format: projects/{project}/locations/{location}/collections/{collection}/dataStores/{dataStore}
projects/{project}/locations/{location}/collections/{collection}/dataStores/{dataStore}
Retrieve from Vertex AI Search datastore for grounding. See https://cloud.google.com/products/agent-builder