1.14.4 Farming for Blockheads Datapack example.

example.json

{
  "groupOverrides": {
    "Vanilla Seeds": {
      "enabled": true
    },
    "Vanilla Flowers": {
      "enabled": true
    },
    "Vanilla Mushrooms": {
      "enabled": true
    },
    "BiomesOPlenty Saplings": {
      "enabled": true
    },
    "Simple Farming": {
      "payment": {
        "item": "minecraft:emerald",
        "count": 1
      }
    }
  },
  "entryOverrides": {
    "minecraft:oak_sapling": {
      "enabled": false
    }
  },
  "customCategories": {
    "simple_farming": {
      "name": "Simple Farming",
      "icon": "simplefarming:orange_sapling"
    }
  },
  "customEntries": [
    {
      "output": {
        "item": "simplefarming:apple_sapling"
      },
      "payment": {
        "item": "minecraft:emerald",
        "count": 2
      },
      "category": "simple_farming"
    },
    {
      "output": {
        "item": "simplefarming:mango_sapling"
      },
      "payment": {
        "item": "minecraft:emerald",
        "count": 2
      },
      "category": "simple_farming"
    },
    {
      "output": {
        "item": "simplefarming:orange_sapling"
      },
      "payment": {
        "item": "minecraft:emerald",
        "count": 2
      },
      "category": "simple_farming"
    },
    {
      "output": {
        "item": "simplefarming:pear_sapling"
      },
      "payment": {
        "item": "minecraft:emerald",
        "count": 2
      },
      "category": "simple_farming"
    },
    {
      "output": {
        "item": "simplefarming:_sapling"
      },
      "payment": {
        "item": "minecraft:emerald",
        "count": 2
      },
      "category": "simple_farming"
    },
    {
      "output": {
        "item": "simplefarming:olive_sapling"
      },
      "payment": {
        "item": "minecraft:emerald",
        "count": 2
      },
      "category": "simple_farming"
    },
    {
      "output": {
        "item": "simplefarming:banana_sapling"
      },
      "payment": {
        "item": "minecraft:emerald",
        "count": 2
      },
      "category": "simple_farming"
    },
    {
      "output": {
        "item": "simplefarming:apricot_sapling"
      },
      "payment": {
        "item": "minecraft:emerald",
        "count": 2
      },
      "category": "simple_farming"
    },
    {
      "output": {
        "item": "simplefarming:cherry_sapling"
      },
      "payment": {
        "item": "minecraft:emerald",
        "count": 2
      },
      "category": "simple_farming"
    },
    {
      "output": {
        "item": "simplefarming:plum_sapling"
      },
      "payment": {
        "item": "minecraft:emerald",
        "count": 2
      },
      "category": "simple_farming"
    }
  ]
}