Learn how to make a ore detector for your mod in MCreator.
This tutorial will show you how the procedures work to make a tool that detects blocks under it. This can be used to test for any block not just ore.
The latest download has all the files used in the tutorial video.
Questions and Help
If you have any questions ask on my discord server under the #mcreator-help channel so others may be able to help if I am busy.