To add/edit the current reason codes on the POS you need to follow these steps :
Navigate to POS Control on the side menu and click POS Control.
Click Reason Codes and then select a Location if required.
Use the drop down and select the required Reason Type.
Click Reason No if amending current reason codes or Click New if adding a new reason to an existing category.
Amend or update accordingly.
Click Save.
📌 Note: Remember to send all updates over to the terminals using POS Updates.