/inventory in-game), you can open the omnipack by simply opening your inventory (F2), and then pressing F1.

Omnipack-only access
If you want to give access only to the omnipack without granting access to the admin menu and commands, use the specific permission:Can do
Use the omnipack (F1 in inventory)
Cannot do
Open the admin menu (
/inventory)Use admin commands (/giveitem, /removeitem, etc.)