is there a possibility to reset the IDs of the material and physical properties similar to the existing "Reset Node and Element IDs"?
Modifying each label by hand is possible, but not really convenient if lots of entries exist...
Thanks for your hints!
Here's a few things to help you get started with NX Open (if you're not already aware of them):
The NX Open Programmer's Guide introduces you to topics around this area.
There's also an NX Programming and Customization forum. People there can lend you their expertise if you get stuck, and they probably have some more resources to help you!
Product Engineering Software
Siemens PLM Software, Inc.