How to check the validity of a barcode ?

Detailed guide

1. Open the Access Control module in the Organization context.
2. Go  to the menu Controls > Helpdesk
   
   
   
   
3. Enter the ticket barcode in the box manually or by scanning it with an attached device and click on Check.
   
   
   Remark : On this screen, a barcode can also be removed from or added to the blacklist.