How to get UserAgeCategory with Unreal Engine 5?

Hi guys!

I'm a bit puzzled about the ovr_UserAgeCategory_Get() function. It was quite straightforward to use in Unreal Engine 4.27 with the OVR Subsystem, but now I'm at a loss as to where to find this function in Unreal Engine 5.1. I'm working with a source version of the Engine that includes the Oculus SDK from GitHub, and I'm even willing to migrate to 5.2 if that's what it takes to access the User Age Category in this version. I suspect I might be overlooking something obvious, so any guidance would be greatly appreciated.

Cheers,

Wawrzyniec