diff --git a/samples/ValidationRulesTest/ValidationRulesTest/ValidationRulesTest.csproj b/samples/ValidationRulesTest/ValidationRulesTest/ValidationRulesTest.csproj
index 4e0385b..b3665f3 100644
--- a/samples/ValidationRulesTest/ValidationRulesTest/ValidationRulesTest.csproj
+++ b/samples/ValidationRulesTest/ValidationRulesTest/ValidationRulesTest.csproj
@@ -36,6 +36,9 @@
   </ItemGroup>
 
   <ItemGroup>
+    <EmbeddedResource Update="Views\Example6.xaml">
+      <Generator>MSBuild:UpdateDesignTimeXaml</Generator>
+    </EmbeddedResource>
     <EmbeddedResource Update="Views\Examples.xaml">
       <Generator>MSBuild:UpdateDesignTimeXaml</Generator>
     </EmbeddedResource>
diff --git a/samples/ValidationRulesTest/ValidationRulesTest/ViewModels/Example6ViewModel.cs b/samples/ValidationRulesTest/ValidationRulesTest/ViewModels/Example6ViewModel.cs
new file mode 100644
index 0000000..ad57b19
--- /dev/null
+++ b/samples/ValidationRulesTest/ValidationRulesTest/ViewModels/Example6ViewModel.cs
@@ -0,0 +1,30 @@
+using Plugin.ValidationRules;
+using Plugin.ValidationRules.Extensions;
+using Plugin.ValidationRules.Formatters;
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace ValidationRulesTest.ViewModels
+{
+    public class Example6ViewModel
+    {
+        public Example6ViewModel()
+        {
+            Name = Validator.Build<string>().IsRequired("The name is required.");
+            Phone = Validator.Build<string>()
+                .When(x => !string.IsNullOrEmpty(x))
+                .Must(x => x.Length == 12, "Minimum lenght is 12.");
+
+            Phone.ValueFormatter = new MaskFormatter("XXX-XXX-XXXX");
+        }
+
+        public Validatable<string> Name { get; set; }
+        public Validatable<string> Phone { get; set; }
+
+        public bool Validate()
+        {
+            return Name.Validate() && Phone.Validate();
+        }
+    }
+}
diff --git a/samples/ValidationRulesTest/ValidationRulesTest/Views/Example6.xaml b/samples/ValidationRulesTest/ValidationRulesTest/Views/Example6.xaml
new file mode 100644
index 0000000..718c515
--- /dev/null
+++ b/samples/ValidationRulesTest/ValidationRulesTest/Views/Example6.xaml
@@ -0,0 +1,41 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<ContentPage
+    x:Class="ValidationRulesTest.Views.Example6"
+    xmlns="http://xamarin.com/schemas/2014/forms"
+    xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+    xmlns:bx="clr-namespace:ValidationRulesTest.Behaviors">
+    <ContentPage.Content>
+        <StackLayout Padding="16">
+
+
+            <Entry
+                x:Name="nameEntry"
+                Placeholder="Name"
+                Text="{Binding Name.Value, Mode=TwoWay}">
+                <Entry.Behaviors>
+                    <bx:EventToCommandBehavior Command="{Binding Name.ValidateCommand}" EventName="Unfocused" />
+                </Entry.Behaviors>
+            </Entry>
+            <Label
+                HorizontalTextAlignment="Center"
+                Text="{Binding Name.Error}"
+                TextColor="Red" />
+
+            <Entry
+                x:Name="phoneEntry"
+                Placeholder="Phone"
+                Text="{Binding Phone.Value, Mode=TwoWay}">
+                <Entry.Behaviors>
+                    <bx:EventToCommandBehavior Command="{Binding Phone.ValidateCommand}" EventName="Unfocused" />
+                </Entry.Behaviors>
+            </Entry>
+            <Label
+                HorizontalTextAlignment="Center"
+                Text="{Binding Phone.Error}"
+                TextColor="Red" />
+
+            <Button Clicked="Button_Clicked" Text="Validate" />
+
+        </StackLayout>
+    </ContentPage.Content>
+</ContentPage>
\ No newline at end of file
diff --git a/samples/ValidationRulesTest/ValidationRulesTest/Views/Example6.xaml.cs b/samples/ValidationRulesTest/ValidationRulesTest/Views/Example6.xaml.cs
new file mode 100644
index 0000000..a191dcc
--- /dev/null
+++ b/samples/ValidationRulesTest/ValidationRulesTest/Views/Example6.xaml.cs
@@ -0,0 +1,38 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using ValidationRulesTest.ViewModels;
+using Xamarin.Forms;
+using Xamarin.Forms.Xaml;
+
+namespace ValidationRulesTest.Views
+{
+	[XamlCompilation(XamlCompilationOptions.Compile)]
+	public partial class Example6 : ContentPage
+	{
+        Example6ViewModel _context;
+        public Example6 ()
+		{
+			InitializeComponent ();
+
+            _context = new Example6ViewModel();
+            BindingContext = _context;
+		}
+
+        private void Button_Clicked(object sender, EventArgs e)
+        {
+            var isValid = _context.Validate();
+
+            if (isValid)
+            {
+                DisplayAlert(":)", "This form is valid", "OK");
+            }
+            else
+            {
+                DisplayAlert(":(", "This form is not valid", "OK");
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/samples/ValidationRulesTest/ValidationRulesTest/Views/Examples.xaml b/samples/ValidationRulesTest/ValidationRulesTest/Views/Examples.xaml
index 700977c..7637b28 100644
--- a/samples/ValidationRulesTest/ValidationRulesTest/Views/Examples.xaml
+++ b/samples/ValidationRulesTest/ValidationRulesTest/Views/Examples.xaml
@@ -37,6 +37,11 @@
                 Clicked="example5_Clicked"
                 Text="Example 5" />
 
+            <Button
+                x:Name="example6"
+                Clicked="example6_Clicked"
+                Text="Example 6" />
+
         </StackLayout>
     </ContentPage.Content>
 
diff --git a/samples/ValidationRulesTest/ValidationRulesTest/Views/Examples.xaml.cs b/samples/ValidationRulesTest/ValidationRulesTest/Views/Examples.xaml.cs
index abd84ae..897ef30 100644
--- a/samples/ValidationRulesTest/ValidationRulesTest/Views/Examples.xaml.cs
+++ b/samples/ValidationRulesTest/ValidationRulesTest/Views/Examples.xaml.cs
@@ -41,5 +41,10 @@ private void example5_Clicked(object sender, EventArgs e)
         {
             Navigation.PushAsync(new Example5());
         }
+
+        private void example6_Clicked(object sender, EventArgs e)
+        {
+            Navigation.PushAsync(new Example6());
+        }
     }
 }
\ No newline at end of file