GoAffPro provides you with the option to add additional tags to an affiliate's customer in Shopify.
To add additional tags to an affiliate's customer, go to the Advanced section in the Settings tab of the GoAffPro admin panel.
Here, go to the Customer tags section.
Now, enable the toggle.
After this, you can choose the tags that you want to add to an affiliate's customer in Shopify.
You also have the option to create your own customer tags, by entering the tag's name and clicking on Create "tag name."