GetMasterVolume in MusicPlayer before a value is set?


I was wondering about the audioSource.volume = PlayerPrefsController.GetMasterVolume(); line in MusicPlayer script.

I don’t know if I’ve missed something, but shouldn’t we set a float value to the MASTER_VOLUME_KEY somewhere first?
The only place we use the SetMasterVolume is in the OptionsController at the Back button method right?


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