synapse/groups/groups_server.py
def knock(self, group_id, requester_user_id, content):
        """A user requests becoming a member of the group
        """
        yield self.check_group_is_ours(group_id, requester_user_id, and_exists=True)

        raise NotImplementedError()
A user requests becoming a member of the group
        
A user requests becoming a member of the group
A user requests becoming a member of the group
def knock(self, group_id, requester_user_id, content):
        yield self.check_group_is_ours(group_id, requester_user_id, and_exists=True)
        raise NotImplementedError()
def knock ( self , group_id , requester_user_id , content ) : yield self . check_group_is_ours ( group_id , requester_user_id , and_exists = True ) raise NotImplementedError ( )
A user requests becoming a member of the group
A user requests becoming a member of the group
"""A user requests becoming a member of the group
        """
self
group_id
requester_user_id
content