An example of event handling with prism

View.xaml

<Button Command="{Binding Path=RaiseNotificationCommand}">Click Me</Button>

ViewModel.cs

using System;
using Microsoft.Practices.Prism.Commands;
using Microsoft.Practices.Prism.Interactivity.InteractionRequest;

namespace Example
{
    public class ViewModel
    {
        public ViewModel()
        {
            ButtonCommand = new DelegateCommand(ButtonCommandHandler);
        }

        public DelegateCommand ButtonCommand { get; private set; }

        private void ButtonCommandHandler()
        {
            Console.WriteLine("Button Clicked");
        }
    }
}