# fromEntity method Null safety

dynamic fromEntity(

1. AppModel app,
2. SwitchAppEntity entity

)
override

## Implementation

    static Future<ActionModel> fromEntity(
        AppModel app, SwitchAppEntity entity) async {
      if (entity.appID == null) throw Exception('entity SwitchApp.appID is null');
      if (entity.toAppID == null) {
        throw Exception('entity SwitchApp.toAppID is null');
      }
      return SwitchApp(app,
          conditions: await DisplayConditionsModel.fromEntity(entity.conditions),
          toAppID: entity.toAppID!);
    }