def __init__(self, unique_identifier=None):
super(GetAttributeListRequestPayload, self).__init__(<EOL>enums.Tags.REQUEST_PAYLOAD)<EOL>self._unique_identifier = None<EOL>self.unique_identifier = unique_identifier<EOL>
Construct a GetAttributeList request payload.

Args:
    unique_identifier (string): The ID of the managed object with
        which the retrieved attribute names should be associated.
        Optional, defaults to None.