tcc/servers/bedrock/behavior_packs/vanilla/recipes/loom.json

{
    "format_version": "1.12",
    "minecraft:recipe_shaped": {
        "description": {
            "identifier": "minecraft:loom"
        },
        "tags": [
            "crafting_table"
        ],
        "pattern": [
            "AA",
            "BB"
        ],
        "key": {
            "A": {
                "item": "minecraft:string"
            },
            "B": {
                "item": "minecraft:planks"
            }
        },
        "result": {
            "item": "loom",
            "count": 1
        }
    }
}