MadelineProtoDocs/docs/API_docs/constructors/updateChatParticipant.md

title	description	nav_exclude	image
updateChatParticipant	A user has joined or left a specific chat	true	https://docs.madelineproto.xyz/favicons/android-chrome-256x256.png

Constructor: updateChatParticipant

Back to constructors index

A user has joined or left a specific chat

Attributes:

Name	Type	Required	Description
chat_id	long	Yes	Chat ID
date	int	Yes	When did this event occur
actor_id	long	Yes	User that triggered the change (inviter, admin that kicked the user, or the even the user_id itself)
user_id	long	Yes	User that was affected by the change
prev_participant	ChatParticipant	Optional	Previous participant info (empty if this participant just joined)
new_participant	ChatParticipant	Optional	New participant info (empty if this participant just left)
invite	ExportedChatInvite	Optional	The invite that was used to join the group
qts	int	Yes	New qts value, see updates » for more info.

Type: Update

Example:

$updateChatParticipant = ['_' => 'updateChatParticipant', 'chat_id' => long, 'date' => int, 'actor_id' => long, 'user_id' => long, 'prev_participant' => ChatParticipant, 'new_participant' => ChatParticipant, 'invite' => ExportedChatInvite, 'qts' => int];