google-genai/com.google.genai.interactions.models.interactions/Tool/Retrieval/VertexAiSearchConfig/Builder/engine

engine

public final Tool.Retrieval.VertexAiSearchConfig.Builder engine(String engine)

Optional. Used to specify Vertex AI Search engine.

public final Tool.Retrieval.VertexAiSearchConfig.Builder engine(JsonField<String> engine)

Sets Builder.engine to an arbitrary JSON value.

You should usually call Builder.engine with a well-typed String value instead. This method is primarily for setting the field to an undocumented or not yet supported value.