View Source ExTDLib.Method.SetVideoChatDefaultParticipant (ExTDLib v0.0.4)

Changes default participant identifier, on whose behalf a video chat in the chat will be joined. Returns object_ptr<Ok>.

NameTypeDescription
chat_idstringChat identifier.
default_participant_idMessageSenderDefault group call participant identifier to join the video chats.

More details on telegram's documentation.