Jak sprawdzić czy loop-player to shooter

Mam skrypt i chce zobić sprawdzenie czy loop-player to ta osoba która tym melonem strzeliła. jak to zrobić? bo to co mam nie działa

    if name of player's tool contains "&aWyrzutnia Melona":
        play raw sound "random.explode" at player with pitch 1 volume 10
        remove 60 from {Energy::%player%}
        make the player shoot an item projectile of 103 at speed 2                           
    if name of player's tool contains "&6Wyrzutnia Dyni":
        play raw sound "random.explode" at player with pitch 1 volume 10
        remove 30 from {Energy::%player%}
        make the player shoot an item projectile of 86 at speed 2                           

on item hit:
    event-item is a 103:
        create fake explosion at event-location
        loop players in radius 2 around event-location:
            loop-player is not shooter:
                send "&8[&cArena&8]&7 Wyrzutnia Melona Przeciwnika zadala ci&c 160&7 obrazen!" to loop-player
                remove 160 from {HP::%loop-player%}
on item hit:
    event-item is a 86:
        create fake explosion at event-location
        loop players in radius 2 around event-location:
            loop-player is not shooter:
                send "&8[&cArena&8]&7 Wyrzutnia Dyni Przeciwnika zadala ci&c 80&7 obrazen!" to loop-player
                remove 80 from {HP::%loop-player%}