public static void UnexposePopupCallback(object obj)
{
AudioMixerEffectGUI.ExposedParamContext exposedParamContext = (AudioMixerEffectGUI.ExposedParamContext)obj;
Undo.RecordObject(exposedParamContext.controller, "Unexpose Mixer Parameter");
exposedParamContext.controller.RemoveExposedParameter(exposedParamContext.path.parameter);
AudioMixerUtility.RepaintAudioMixerAndInspectors();
}