[Problem Adding Post Processing Modify G-Code script]

This may duplicate material already discussed - could not fing anything under "add extension script"

 

Attempting to add a post processing extension script under modify G-Code

 

configuration Windows 10 X64

Cura 3.2.1

Monoprice Mini V2

 

added .py script from https://www.thingiverse.com/thing:1298948   VaryTempWithHeightCura3.py

to allow variation of extruder temperature with heght.

Placed it in C:\Program Files\Ultimaker Cura 3.0\plugins\PostProcessingPlugin\scripts\

 

Started Cura against an .stl file.

when model shown clicked Extensions-Post Processing-Modify G-Code

Got Post Processing Scripts Window

clicked Add Script

My new script is not displayed in list

 

What am I doing wrong?