Retail is being renamed to Vertex AI Search for retail. We are in the process of updating content to reflect the new branding.

SearchMode

The search mode of each search request.

Enums
`SEARCH_MODE_UNSPECIFIED`	Default value. In this case both product search and faceted search will be performed. Both `SearchResponse.SearchResult` and `SearchResponse.Facet` will be returned.
`PRODUCT_SEARCH_ONLY`	Only product search will be performed. The faceted search will be disabled. Only `SearchResponse.SearchResult` will be returned. `SearchResponse.Facet` will not be returned, even if `SearchRequest.facet_specs` or `SearchRequest.dynamic_facet_spec` is set.
`FACETED_SEARCH_ONLY`	Only faceted search will be performed. The product search will be disabled. When in this mode, one or both of `SearchRequest.facet_specs` and `SearchRequest.dynamic_facet_spec` should be set. Otherwise, an INVALID_ARGUMENT error is returned. Only `SearchResponse.Facet` will be returned. `SearchResponse.SearchResult` will not be returned.
`CONVERSATIONAL_SEARCH_ONLY`	Only conversational search will be performed. Product search and other search modes will be disabled. Only `SearchResponse.ConversationalSearchResult` and `SearchResponse.SearchResult` will be returned. `SearchResponse.Facet` will not be returned even if `SearchRequest.facet_specs` or `SearchRequest.dynamic_facet_spec` is set.