"Register All" missing from audio player events

Please select what you are reporting on:

Creative

What Type of Bug are you experiencing?

Devices

Summary

Not sure if this is intended, but I wanted to add all players to a registered list so they can hear music. However, there is no such event to do so, only to “unregister all”. I am a bit confused about this, seems like a bug
UnrealEditorFortnite-Win64-Shipping_bFsuJjxwSi

Steps to Reproduce

Place an audio player device
Go to its functions

Expected Result

Register All exists as an function/event hook

Observed Result

Register All is missing, even thought Unregister All exists

Platform(s)

pc