View Source ExTDLib.Object.UpdateChatBackgroundCustomEmoji (ExTDLib v0.0.4)
A chat's custom emoji for reply background has changed.
| Name | Type | Description |
|---|---|---|
| chat_id | string | Chat identifier. |
| background_custom_emoji_id | string | The new identifier of a custom emoji to be shown on the reply header background; 0 if none. |
More details on telegram's documentation.