provides support for external plugins with Add-On Services feature. Current supported Add-On Features are
Soomla Grow for Analytics
One Singal for Push Notifications
By now, you might be aware of NPSettings. Incase if its new to you, read this post.
In your Unity project, If Billing is not enabled, enable by below steps. 1. Open NPSettings and select Application Settings. 2. Under Supported Addon features section, Enable the Add-On service you want to integrate and Save (see button at bottom).