IM update notification

Hi Team,

 

I am trying set IM update notification for the group, When any one updates the ticket irrespectively the concern team will receive the notification.

 

Condition: assignment in $L.file="Service Desk Support Team" and not  (same(nullsub(assignment in $L.file.save, "Empty"), assignment in $L.file))

 

method:email

 

reciepents:operator()

 

The notification are not getting triggered with this condition.

 

If I am using this condition:true ,reciepents:email@la.qa. Now emails are triggering but recieving error bad argu passed.