def list_group_users(self, group_id, depth=<NUM_LIT:1>):
response = self._perform_request(<EOL>'<STR_LIT>' % (group_id, str(depth)))<EOL>return response<EOL>
Retrieves a list of all users that are members of a particular group.

:param      group_id: The unique ID of the group.
:type       group_id: ``str``

:param      depth: The depth of the response data.
:type       depth: ``int``