{
    "type": "minecraft:disk",
    "config": {
        "state_provider": {
            "fallback": {
                "type": "minecraft:simple_state_provider",
                "state": {
                    "Name": "minecraft:mud"
                }
            },
            "rules": []
        },
        "target": {
            "type": "minecraft:matching_blocks",
            "blocks": [
                "minecraft:grass_block",
                "minecraft:dirt",
                "minecraft:sand",
                "minecraft:clay",
                "minecraft:gravel"
            ]
        },
        "radius": 4,
        "half_height": 1
    }
}