View Source ExTDLib.Method.SetChatBackground (ExTDLib v0.0.4)

Sets the background in a specific chat. Supported only in private and secret chats with non-deleted users. Returns object_ptr<Ok>.

Name	Type	Description
chat_id	string	Chat identifier.
background	InputBackground	The input background to use; pass null to create a new filled background.
type	BackgroundType	Background type; pass null to use default background type for the chosen background.
dark_theme_dimming	number	Dimming of the background in dark themes, as a percentage; 0-100.
only_for_self	bool	Pass true to set background only for self; pass false to set background for both chat users. Background can be set for both users only by Telegram Premium users and if set background isn't of the type inputBackgroundPrevious.