player not defined??

[fallen bane]

capitalize Player

did you import Player?

[quick panther]

Player
uppercase

wait i need to load my game

[fallen frigate]

try
world.afterEvents.entityHitEntity.subscribe((event) => {
const player = event.damagingEntity;
const hit = event.hitEntity;
if (!hit) return;
//gif 1
if (hit.typeId == 'entity:ex') {
player.runCommand("give @s diamond")
}
});

[fallen bane]

wait isn't the type id of the normal villager minecraft:villager_v2

[quick panther]

yeah this work

world.afterEvents.entityHitEntity.subscribe(data => {
    if (!(data.damagingEntity instanceof Player)) return;
    if (data.hitEntity.typeId !== "minecraft:villager_v2") return;
        world.sendMessage('test')
    }
)