random items every 10 seconds

every 10 seconds:
  loop all players:
    if {%loop-player%.random} = true:
      give loop-player a random element of all items
      wait 1 tick


command /togglerandomitems:
  trigger:
    if {%player%.random} = true:
      set {%player%.random} to false
      message "&7You have disabled random items" to player
    else:
      set {%player%.random} to true
      message "&7You have enabled random items" to player