NewPage2.xaml

<?xml version="1.0" encoding="utf-8" ?>
<ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
             x:Class="EntryTest.NewPage2"
             Title="NewPage2">
    <VerticalStackLayout>
        <Button Command="{Binding MyGoBackCommand}"
                Text="GoBack"/>
    </VerticalStackLayout>
</ContentPage>