Overview
OAuth actions allow limited access to data within an account for a given amount of time, without sharing credentials with the host app. Some API's require authorization before they can be used, and Play's OAuth action allows you to do that within your prototype.
Learn more about OAuth in this Apple Developer article.
Action Properties
URL
Enter the URL for the authorization endpoint.
On Error
On the On Error section of the OAuth node, add actions that should fire if there is an access error. This section allows your prototype to respond if an issue occurs.