ActuallyAdditions/src/generated/resources/data/actuallyadditions/recipes/crushing/gravel.json

{
  "type": "actuallyadditions:crushing",
  "ingredient": {
    "item": "minecraft:gravel"
  },
  "result": [
    {
      "result": {
        "Count": 1,
        "id": "minecraft:flint"
      }
    },
    {
      "chance": 0.5,
      "result": {
        "Count": 1,
        "id": "minecraft:flint"
      }
    }
  ]
}