channelParticipantsMentions#e04b5ceb flags:# q:flags.0?string top_msg_id:flags.1?int = ChannelParticipantsFilter;
| Name | Type | Description |
|---|---|---|
| flags | # | Bit mask: a field written flags.N?T is present only when bit N is set. |
| q | flags.0?string | Search query. |
| top_msg_id | flags.1?int | Forum topic identifier. |