OptionalcontextContext. Variables.
Optionaldc[D]omain[C]omponent primary ID.
OptionalidUnique identifier for this chat. [FROM] Member / Channel ID.
// [TO] Group. Conversation ID. string chat_id = 2;
OptionalinviteOPTIONAL. Invite[d] BY member info.
OptionaljoinOPTIONAL. A non-zero value indicates that the participant has joined the chat.
OptionalleftOptionalpeer[FROM]: User identity. Seed.
Optionaltitle[TO]: Chat title.
Optionalvia[FROM] VIA text gateway profile.
The Chat info. Alias: participant, subscriber, member, peer, leg.