Class CompletionDataInputConfig (1.0.2) 

CompletionDataInputConfig(mapping=None, *, ignore_unknown_fields=False, **kwargs)

The input config source for completion data. .. attribute:: big_query_source

Required. BigQuery input source. Add the IAM permission "BigQuery Data Viewer" for cloud-retail-customer-data- access@system.gserviceaccount.com before using this feature otherwise an error is thrown.

:type: google.cloud.retail_v2.types.BigQuerySource