hud_screen.json

{
    "namespace": "hud",

    "hotbar_renderer":
        {
            "type": "custom",
            "renderer": "hotbar_renderer",
            "size": [ 42, 44 ],
            "layer": 1,
            "bindings":
                [
                    {
                        "binding_collection_name": "$hotbar_collection_name",
                        "binding_type": "collection_details"
                    }
                ],
            "controls":
                [
                    {
                        "hotbar_slot_image@hotbar_slot_image": {}
                    }
                ]
        }
}