[HELP]Block Mod's in another dimension

[BonSay~^]

Hello my name is rafael I am Brazilian and I had to use google translator to speak with you. I wonder how I can block the mod's from my server in other dimensions and I did an event script for my only server I know not to do the script to block freeroam these things when the player use the / event I wanted when he used the / event and were pro denominated place for me he could not open the freeroam and other mods and for those who want to know setelementdimension put in my event script

[Perfect]

Post your current script.

It is my advice to you, ask help in your respective language. There it may have a higher possibility of getting solved.