--- title: chatParticipant description: Group member. image: https://docs.madelineproto.xyz/favicons/android-chrome-256x256.png --- # Constructor: chatParticipant [Back to constructors index](index.md) Group member. ### Attributes: | Name | Type | Required | Description | |----------|---------------|----------|-------------| |user\_id|[int](../types/int.md) | Yes|Member user ID| |inviter\_id|[int](../types/int.md) | Yes|ID of the user that added the member to the group| |date|[int](../types/int.md) | Yes|Date added to the group| ### Type: [ChatParticipant](../types/ChatParticipant.md) ### Example: ```php $chatParticipant = ['_' => 'chatParticipant', 'user_id' => int, 'inviter_id' => int, 'date' => int]; ``` Or, if you're into Lua: ```lua chatParticipant={_='chatParticipant', user_id=int, inviter_id=int, date=int} ```