user exit for service notification status in IW51

Hi experts,

Is there any exits available to get the service notification status in IW51.

ie once I click on put in process button the status gets changed my requirement is to perform few operation based on status.

once I click on the flag put in process the status gets changed

so I need the exit that triggers when the status of the notification changes. need some serious help.

Regards,

Sidhant.