Dear Monks,

Thank you for support., finally i have found a way of deleting the incoming message with the specific subject..

code as below

In the Custom condition specify the transactions that are Type:Correspond (e-mail) and that have "weekly" in the subject. The custom condition could look something like this:

  { my $Transaction = $self->TransactionObj;
return $Transaction->Type eq 'Correspond' && $Transaction->Subject =~ 
+/weekly/; 
  }
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In the Custom action preparation code area specify:

return 1;

In the Custom action cleanup code area specify something like this:</P

  my $Ticket = $self->TicketObj;
  $Ticket->SetStatus('resolved');
  return 1;
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