code: def create_mutation_inputs(service):
      
      # grab the default list of field summaries
      inputs = _service_mutation_summaries(service)
      # make sure the pk isn't in the list
      inputs.remove([field for field in inputs if field['name'] == 'id'][0])
  
      # return the final list
      return inputs
docs: Args:
              service : The service being created by the mutation
          Returns:
              (list) : a list of all of the fields availible for the service,
                  with the required ones respected.