FMOD.DSP.FMOD_DSP_SetUserData C# (CSharp) Method

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

 public RESULT setUserData(IntPtr userdata)
 {
     return(DSP.FMOD_DSP_SetUserData(dspraw, userdata));
 }