code: def use_kwargs(self, *args, **kwargs):
          
          kwargs["as_kwargs"] = True
          return self.use_args(*args, **kwargs)
docs: Decorator that injects parsed arguments into a view function or method
          as keyword arguments.
  
          This is a shortcut to :meth:`use_args` with ``as_kwargs=True``.
  
          Example usage with Flask: ::
  
              @app.route('/echo', methods=['get', 'post'])
              @parser.use_kwargs({'name': fields.Str()})
              def greet(name):
                  return 'Hello ' + name
  
          Receives the same ``args`` and ``kwargs`` as :meth:`use_args`.