# On_backgroundImageChanged
Description
The notification received when the background is changed
EventHandler<string> On_backgroundImageChanged
Response example
{
"method": "event",
"event": "backgroundImageChanged",
"isCustomImage": true,
"fileId": 84427739
}
Response Parameters
| Name | Description |
|---|---|
| isCustomImage | The flag indicating if the custom background is used |
| fileId | The identifier of the file on the built-in HTTP server that is used as a background. This field is present only when a custom background is set |
See also