docs: def _create(self, **kwargs):
          """Create a resource in the remote Transifex server."""
          path = self._construct_path_to_collection()
  
          # Use the fields for which we have values
          for field in self.writable_fields:
              try:
                  value = getattr(self, field)
                  kwargs[field] = value
              except AttributeError:
                  pass
          return self._http.post(path, json.dumps(kwargs))