Usually within SAP-GUI you can set and manage your favorites in the start screen:
To add a transaction as favorite:
#1 Open transaction with the SAP menu tree
#2 Mark the transaction (one-klick)
#3 Push now “Add to favorite” button (star with a plus)
#4 Et voila … now the transaction is in your favorites

But if you are in SAP-GUI within a transaction the “Add to favorites” icon is missing. With following small hint you can add every transaction into favorites easily – e.g. Add VL01N – Create outbound delivery” to favorites:
#1 Transaction VL01N
#2 Just enter %_GCADDF (+Enter) into transaction field
#3 Now VL01N goes to favorites


cu, Isa.