public Type TargetType {get; set;}

public class EmployeeInterceptorExtensions {

  // A sample BeforeSet attribute defined on a static method which is not
  // in the TargetType class.  Here, both TargetName and TargetType
  // are specified.  
  
  [BeforeSet( Employee.EntityPropertyNames.Country, TargetType=typeof(Employee))]
  public static void UpperCaseCountry(IPropertyInterceptorArgs<Employee, String> args) {
    string country = args.Value;
    if (!String.IsNullOrEmpty(country)) {
      args.Value = country.ToUpper();
    }
  }
}
    
// Attributes which are not defined on the TargetType class
// will not be automatically discovered, so we also need to force the discovery:
PropertyInterceptorManager.CurrentInstance.DiscoverInterceptorsFromAttributes(typeof(EmployeeInterceptorExtensions));