1. Add a new folder to the project named "Models"
2. Create a new class named "VolumeModel"
3. Add the following contents to this class:
4. Register the model in the application plugin class by adding the following code to DemoAppApplicationPlugin:
public override IEnumerable<ModelInfo> GetModelInfos() { yield return new ModelInfo { Name = "Volume Model", Category = "DemoApp models", CreateModel = (o) => new VolumeModel() }; }