/// <summary>
/// Gets a collection of <see cref="INotificationMessage"/> associated with a <see cref="INotificationMethod"/>
/// </summary>
/// <param name="notificationMethodKey">The key (Guid) of the <see cref="INotificationMethod"/></param>
/// <returns>A collection of <see cref="INotificationMessage"/></returns>
public IEnumerable <INotificationMessage> GetNotificationMessagesByMethodKey(Guid notificationMethodKey)
{
return(_notificationMessageService.GetNotificationMessagesByMethodKey(notificationMethodKey));
}