code: def schema(self, dataset_id, table_id):
          
          table_ref = self.client.dataset(dataset_id).table(table_id)
  
          try:
              table = self.client.get_table(table_ref)
              remote_schema = table.schema
  
              remote_fields = [
                  field_remote.to_api_repr() for field_remote in remote_schema
              ]
              for field in remote_fields:
                  field["type"] = field["type"].upper()
                  field["mode"] = field["mode"].upper()
  
              return remote_fields
          except self.http_error as ex:
              self.process_http_error(ex)
docs: Retrieve the schema of the table
  
          Obtain from BigQuery the field names and field types
          for the table defined by the parameters
  
          Parameters
          ----------
          dataset_id : str
              Name of the BigQuery dataset for the table
          table_id : str
              Name of the BigQuery table
  
          Returns
          -------
          list of dicts
              Fields representing the schema