FMOD.Studio.EventInstance.FMOD_Studio_EventInstance_SetVolume C# (CSharp) Method

        private static extern RESULT FMOD_Studio_EventInstance_SetVolume            (IntPtr _event, float volume);
        [DllImport(STUDIO_VERSION.dll)]

 public RESULT setVolume(float volume)
 {
     return(EventInstance.FMOD_Studio_EventInstance_SetVolume(this.rawPtr, volume));
 }