FMOD.Sound.FMOD_Sound_SetUserData C# (CSharp) Method

        private static extern RESULT FMOD_Sound_SetUserData             (IntPtr sound, IntPtr userdata);
        [DllImport(VERSION.dll)]

 public RESULT setUserData(IntPtr userdata)
 {
     return(Sound.FMOD_Sound_SetUserData(soundraw, userdata));
 }