/// <summary>
/// The on access denied.
/// </summary>
/// <returns>
/// The <see cref="IEnumerable{CommandResponse}"/>.
/// </returns>
protected virtual IEnumerable<CommandResponse> OnAccessDenied()
{
var response = new CommandResponse
{
Destination = CommandResponseDestination.PrivateMessage,
Message = this.MessageService.RetrieveMessage(Messages.OnAccessDenied, this.CommandSource, null)
};
return response.ToEnumerable();
}