If your plugin was created before 2024, it is almost certainly not the doc version. Download the compressed package from Release and put the script.cs you want in the package into COM3D2\scripts If ...
Go to 'UMA on Unity top tool bar' Click on 'UMA' Scroll down to 'Slot Builder' Slot Builder Panel Opens Applied all mesh and materials as required to create slot. Check Marked - Binary, Create Overlay ...