Report Total group time spend on a ticket

Report Total group time spend on a ticket

hi,
 
Is it possible to calculate  the duration of an incident for a specific group  or for a technician ?
 
For instance in this ticket the query or stored procedure would return 2 lines :

11:27 - 11:30 =>  3mn for the group EUDC infrastructure

11:46 -11:30 => 16mn for the group EUDC  application
Iwould like the total time spend on a ticket or request for a Group or a technician
 
Any help would be appreciate
 
Regards,
 
Eric
 

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