}
pub fn (self Actor) invite_by(data map[string]json2.Any) string {
  mut alias := ''
  for s in data['invite_room_state'].arr() {
    state := s.as_map()
    if state['type'].str() == 'm.room.canonical_alias' {
      alias = state['content'].as_map()['alias'].str()
    }
    if state['type'].str() == 'm.room.member' {
      if alias.len == 0 {
        alias = state['content'].as_map()['sender'].str()
      }
    }
  }
  return alias

			room := cmd.data['room_id'].str()
			println('m.room.member user ${cmd.data['state_key']} room $room is ${c['membership']}')

			room_id := cmd.data['room_id'].str()
			println('m.room.member user ${cmd.data['state_key']} room_id $room_id is ${c['membership']}')

				match self.join_request_matrix(room, room) {

				room_alias := self.matrix.invite_by(c)
				println("matrix invite invited by $room_alias")
				match self.join_request_matrix(room_alias, room_id) {

							'admin', 'recorded $room')

							'admin', 'recorded $room_id')

							'admin', 'already joined $room')

							'admin', 'already joined $room_id')

		outmsg := <-out_chan or { println('listen_out err!') }

		outmsg := <-out_chan or { println('listen_out err: $err') }