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

A new member joined the chat via an invite link.

Name	Type	Description
invite_link	chatInviteLink	Invite link used to join the chat.
via_chat_folder_invite_link	bool	True, if the user has joined the chat using an invite link for a chat folder.

More details on telegram's documentation.