additionalFilter property
        
        GoogleCloudRetailV2SearchResponseConversationalSearchResultAdditionalFilter?
        additionalFilter
        
      
getter/setter pair
      This is the incremental additional filters implied from the current user answer.
User should add the suggested addition filters to the previous SearchRequest.filter, and use the merged filter in the follow up search request.
Implementation
GoogleCloudRetailV2SearchResponseConversationalSearchResultAdditionalFilter?
additionalFilter;