You can find this section in HostBill Admin → Settings → Products & Services → Your order page → Your product → Connect with App
Once you add your new product, you may need this tab gives possibility to connect it with the relevant module. your product with the Third party apps. From the dropdown menu you can choose a module which will be used by the product after the order is placed. Note: The list displays only activated modules - Activate the module first and connect it with HostBill.
Then, in the Connect with App section select the module you want to connect to this product and App server created in previous steps (available in the drop-down menu). Depending on the module, you will be presented with various configuration options.
To learn more about specific modules visit Configure Provisioning Modules articles.