code: def update_field(self, name, value):
          
          kwargs = {}
          kwargs['field.' + name] = value
          return self.post(**kwargs)
docs: Changes the definition of a KV Store field.
  
          :param name: name of field to change
          :type name: ``string``
          :param value: new field definition
          :type value: ``string``
  
          :return: Result of POST request