minecraft-kajetans-mod/src/main/resources/assets/km/blockstates/fluids.json

{
    "forge_marker": 1,
    "defaults": {
        "model": "forge:fluid"
    },
    "variants": {
        "normal": [
            {
                "custom": {
                    "fluid": "normal"
                }
            }
        ],
        "poison": [
            {
                "custom": {
                    "fluid": "poison"
                }
            }
        ],
        "honey": [
            {
                "custom": {
                    "fluid": "honey"
                }
            }
        ]
    }
}