notifyExtension property Null safety
@JsonKey(fromJson: castPlatformMapToDartMap), read / write
操作产生的通知事件中开发者自定义的扩展字段(可选)
Implementation
@JsonKey(fromJson: castPlatformMapToDartMap)
Map<String, dynamic>? notifyExtension;
操作产生的通知事件中开发者自定义的扩展字段(可选)
@JsonKey(fromJson: castPlatformMapToDartMap)
Map<String, dynamic>? notifyExtension;