View Source ExTDLib.Object.UpdateGroupCallParticipant (ExTDLib v0.0.4)

Information about a group call participant was changed. The updates are sent only after the group call is received through getGroupCall and only if the call is joined or being joined.

NameTypeDescription
group_call_idnumberIdentifier of group call.
participantgroupCallParticipantNew data about a participant.

More details on telegram's documentation.