command_with_path.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"
             x:Class="MyProject.Views.MyPage"
             xmlns:vm="clr-namespace:MyProject.ViewModels"
             x:Name="myPage">
	 <ContentPage.BindingContext>
        <vm:MyPageViewModel/>
    </ContentPage.BindingContext>		 
    <ContentPage.Content>
     <StackLayout x:Name="myBindableLayout" Orientation="Vertical"
                          BindableLayout.ItemsSource="{Binding MyList,Mode=TwoWay}">
                        <BindableLayout.ItemTemplate>
                            <DataTemplate>
                                <StackLayout>
                                    <Label Text="{Binding Name}"/>
                                    <Button Text="Delete"
                                        Command="{Binding Path=BindingContext.DeleteCommand, Source={x:Reference Name=myBindableLayout}}" 
                                        HorizontalOptions="End"
                                        VerticalOptions="Center"
                                        CommandParameter="{Binding .}" ></Button>
                                </StackLayout>
                            </DataTemplate>
                        </BindableLayout.ItemTemplate>
                    </StackLayout>
    </ContentPage.Content>
</ContentPage>