View Source ExTDLib.Object.ChatEventMemberPromoted (ExTDLib v0.0.4)
A chat member has gained/lost administrator status, or the list of their administrator privileges has changed.
| Name | Type | Description |
|---|---|---|
| user_id | string | Affected chat member user identifier. |
| old_status | ChatMemberStatus | Previous status of the chat member. |
| new_status | ChatMemberStatus | New status of the chat member. |
More details on telegram's documentation.