NavigationService Overview SecondPage2.xaml

SecondPage2.xaml

<?xml version="1.0" encoding="utf-8" ?>
<ContentPage xmlns="http://xamarin.com/schemas/2014/forms"
             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
             xmlns:prism="clr-namespace:Prism.Mvvm;assembly=Prism.Forms"
             prism:ViewModelLocator.AutowireViewModel="True"
             x:Class="NavigationService.Views.SecondPage">
  <StackLayout Orientation="Vertical" HorizontalOptions="Center" VerticalOptions="Center">
    <Label Text="Second Page."/>
    <Button Text="Go Back." Command="{Binding GoBackCommand}"/>
  </StackLayout>
</ContentPage>