{
    "variants": {
        "type=bottom": { "model": "MOD_NAME:block/MODDED_SLAB" },
        "type=top": { "model": "MOD_NAME:block/MODDED_SLAB_top" },
        "type=double": { "model": "MOD_NAME:block/double_MODDED_SLAB" }
    }
}