'Set this multi\'s icon information by icon name
Note: tdb_cassandra.Thing doesn\'t support property.setter properly;
it appears to write through directly to self._t[\'icon_name\'].'

def set_icon_by_name(self, name):

    if (not name):
        self.icon_id = ''
    elif (name in g.multi_icons):
        self.icon_id = name
    else:
        raise ValueError('invalid    multi    icon    name')
