private void AlertThatCommandInvalid(CreateAccount message)
 {
     bus.Reply(CommandAlert.Invalid(string.Format("An account with the code '{0}' already exists", message.AccountCode)));
 }
 private void AlertThatCommandSucceeded(CreateAccount message)
 {
     bus.Reply(CommandAlert.Success(string.Format("Account {0} has been created and is now active", message.AccountCode)));
 }