minecraft-kajetans-mod/src/main/resources/data/km/loot_tables/blocks/rpotatoes.json

{
    "type": "minecraft:block",
    "pools": [
        {
            "rolls": 1.0,
            "entries": [
                {
                    "type": "minecraft:item",
                    "name": "minecraft:potato"
                }
            ]
        },
        {
            "rolls": 1.0,
            "entries": [
                {
                    "type": "minecraft:item",
                    "functions": [
                        {
                            "function": "minecraft:apply_bonus",
                            "enchantment": "minecraft:fortune",
                            "formula": "minecraft:binomial_with_bonus_count",
                            "parameters": {
                                "extra": 3,
                                "probability": 0.5714286
                            }
                        }
                    ],
                    "name": "minecraft:potato"
                }
            ],
            "conditions": [
                {
                    "condition": "minecraft:block_state_property",
                    "block": "km:rpotatoes",
                    "properties": {
                        "age": "7"
                    }
                }
            ]
        },
        {
            "rolls": 1.0,
            "entries": [
                {
                    "type": "minecraft:item",
                    "conditions": [
                        {
                            "condition": "minecraft:random_chance",
                            "chance": 0.02
                        }
                    ],
                    "name": "minecraft:poisonous_potato"
                }
            ],
            "conditions": [
                {
                    "condition": "minecraft:block_state_property",
                    "block": "km:rpotatoes",
                    "properties": {
                        "age": "7"
                    }
                }
            ]
        }
    ],
    "functions": [
        {
            "function": "minecraft:explosion_decay"
        }
    ]
}