Jak sprawdzić czy gracz ma zbroje?

command /sprawdz:    trigger:        if player's boots is iron boots named "buty":            if player's leggings is iron leggings named "spodnie":                if player's chestplate is iron chestplate named "klata":                    if player's helmet is iron helmet named "helm":                        send "masz ten zestaw"

Dziękuje zamykam!