Creating a new topic to replace the prior one I started that was incorrectly categorized into the Self Service category.
I am running the following PC version and AOS/AHV versions:

I am trying to configure an IdP for PC auth and need to customize the redirect URL. This is supported according to the AOS 7.3 docs:

However, the redirect URL field is not visible in the IdP config in my installation:

Can anyone help me understand where the restriction lies and how to enable customization of the redirect URL?