Step 1: Log in to WHMCS Admin
Step 2: Go to Add-ons > VueJs Whmcs Cart >Setting
Step 3: Click on setting then go to the general setting then you can hide/unhide the promo box and click on the Save button
Step 4: When we tick the check box the result will be shown like this:
Step 5: When we untick the check box the result will be shown like this:
