Step 1: Go to Settings in the back end, then navigate to Business Settings.
Step 2: In Terminal POS, you can select "Add" to create new terminals
Step 3: Select the “Business location” accordingly
Step 4: Keep the name in the name column (e.g. Demo).
Step 5: Select the type as Primary for POS device, Secondary & Sub-terminal for the tablets or other devices.
Step 6: After adding all columns click the save button.