A sample PageModel from a Xamain.Forms Mvvm

QuotePageModel.cs

public class QuotePageModel : BasePageModel
{
    IDatabaseService _databaseService;
    public Quote Quote { get; set; }

    //The database service is automatically injected. 
    public QuotePageModel (IDatabaseService databaseService)
    {
        _databaseService = databaseService;
    }

    //This is executed when the model is pushed
    public void Init(object data)
    {
        Quote = data as Quote;
        if (Quote == null)
            Quote = new Quote ();
    }

    public Command Done
    {
        get {
            return new Command (() => {
                //This pops the current Page
                PopPageModel();
            });
        }
    }
}