Protect your building simple tutorial: (Creative worlds only!)
Example: /region define castle Jaggy
Shortcut: /define castle
Add a user to your region: /region addmember regionname username
You can use “//expand #ofblocks up” to expand the area up by #ofblocks)
(You can add more users to have access by typing
/region define name yourusername theirusername anotherusername)
You can use Worldedit CUI client mod to see the blocks you have selected.