View Source ExTDLib.Method.UpgradeBasicGroupChatToSupergroupChat (ExTDLib v0.0.4)
Creates a new supergroup from an existing basic group and sends a corresponding messageChatUpgradeTo and messageChatUpgradeFrom; requires creator privileges. Deactivates the original basic group. Returns object_ptr<Chat>.
| Name | Type | Description |
|---|---|---|
| chat_id | string | Identifier of the chat to upgrade. |
More details on telegram's documentation.