@resource_pack pack.mcmeta
{
  "pack": {
    "pack_format": 18,
    "description": ""
  }
}

@blockstate minecraft:grass_block
{
  "variants": {
    "snowy=false": { "model": "block/grass_block" },
    "snowy=true": { "model": "block/grass_block_snow" }
  }
}

@data_pack pack.mcmeta
{
  "pack": {
    "description": "hello",
    "pack_format": 7
  }
}

@function demo:foo
say foo
