Install a theme
 Method schema is available as of layer 134. Switch ยป
| Name | Type | Description | 
|---|---|---|
| flags | # | Flags, see TL conditional fields | 
| dark | flags.0?true | Whether to install the dark version | 
| theme | flags.1?InputTheme | Theme to install | 
| format | flags.2?string | Theme format, a string that identifies the theming engines supported by the client | 
| base_theme | flags.3?BaseTheme | Indicates a basic theme provided by all clients |