[GUI creativ to suvive you need >op<]

command /Menu:

  permission:op

  trigger:

    open virtual chest inventory with size 3 named "&4Menu" to player

    format gui slot 11 of player with grass block named"&9survivel" to run:

     set player`s gamemode to suvival

     close player`s inventory

    format gui slot 15 of player with bedrock named"&9creative" to run:

     set player`s gamemode to creative

     close player`s inventory

    format gui slot 22 of player with barrier named "&4close" to run:

     close player`s inventory