--- title: updateChatParticipantAdd description: New group member. image: https://docs.madelineproto.xyz/favicons/android-chrome-256x256.png --- # Constructor: updateChatParticipantAdd [Back to constructors index](index.md) New group member. **N.B.**: This Update isn't relative to the service message generated by the join event; for that see [this update](./updateNewMessage.md) with [this message](./messageService.md). ### Attributes: | Name | Type | Required | Description | |----------|---------------|----------|-------------| |chat\_id|[int](../types/int.md) | Yes|Group ID| |user\_id|[int](../types/int.md) | Yes|ID of the new member| |inviter\_id|[int](../types/int.md) | Yes|ID of the user, who added member to the group| |date|[int](../types/int.md) | Yes|When was the participant added| |version|[int](../types/int.md) | Yes|Chat version number| ### Type: [Update](../types/Update.md) ### Example: ```php $updateChatParticipantAdd = ['_' => 'updateChatParticipantAdd', 'chat_id' => int, 'user_id' => int, 'inviter_id' => int, 'date' => int, 'version' => int]; ``` Or, if you're into Lua: ```lua updateChatParticipantAdd={_='updateChatParticipantAdd', chat_id=int, user_id=int, inviter_id=int, date=int, version=int} ```