Need help with other textures on the same item on 1.13.2

[Conan - CoobCraft]

So i'm trying to get 2 textures on a golden sword when its damaged this is my code and i dont see what im doing wrong. the result of this is a error block.

{
    "parent": "item/handheld",
    "textures": {
        "layer0": "item/golden_sword"
    },
    "overrides": [
        { "predicate": {"damaged": 0, "damage": 1}, "model": "item/golden_sword2"},
}