# 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

Last Updated: 09/12/2025