By now you may know that there are two different kinds of Gift With Purchases that Rebuy offers. This doc will go over how to test those offers and determine if there are any issues with your Shopify Plus implementation. If there are, then please contact the support team after following this doc. For our purposes, we will be going over general procedures to take for the Shopify Plus GWP.
Testing the Script
The Gift With Purchase requires the use of the Shopify Script Editor. Unfortunately, this script editor can be finicky and when improperly used can cause merchants a headache. To get a detailed description of how to test Shopify line-item scripts head here.
Testing the Data Source
When making a Gift With a Purchase you'll need to use a data source to properly return the correct gift product. Once you have edited the data source, use the following link to test it using the Data Source Manager. Link
Testing the Widget
In our case, we are using the Shopify-Plus GWP widget. As such, if you are seeing issues where the discount isn't properly reflecting on your storefront please make sure that you have a discount set in the widget settings,