And also, a lot of people ask me how to disable commands feature, I think I'm gonna tell you guys how to do that here, here's an example how to disable the commands feature on an certain items.
Code (YAML):
noCommandItems:
material: DIAMOND
data: 0
slot: 33
amount: 3
name: '&bThis is Diamond'
lore: - '&fExample
No Command.'
commands: []