¶ Modules list
¶ Overview
In this section, you can configure add-ons that were previously installed.
For example, we have installed the Authorize.NET add-on.
¶ Add-ons configuration
To configure these add-ons, navigate to Config → Integrations → Modules list:
In this window, you can edit the add-on module configuration, remove the module item or configure the add-on entry points (only if the add-on has the entry points).
Let's edit the AuthorizeNet add-on config.
¶ Options
If you are going to use the entry points on the Customer portal, make sure that Entry points status for portal option is enabled:
Please, do not change the API settings if you are not sure of what it is and how it works. After making any changes, don't forget to click the Save button.
¶ Entry points
Now, let's check the add-on entry points for the customer portal. Go one step back, on Config → Integrations → Modules list page, find AuthorizeNet module item and click on Edit entry points 
icon:
It's recommended not to change any settings in this window, except for the ones that relate to enabling/disabling entry points.