bedrock-samples/behavior_pack/recipes/crafting_table_copper_trapdoor.json

{
  "format_version": "1.20.10",
  "minecraft:recipe_shaped": {
    "description": {
      "identifier": "minecraft:copper_trapdoor"
    },
    "tags": [
      "crafting_table"
    ],
    "pattern": [
      "###",
      "###"
    ],
    "key": {
      "#": {
        "item": "minecraft:copper_ingot"
      }
    },
    "unlock": [
      {
        "item": "minecraft:copper_ingot"
      }
    ],
    "result": {
      "item": "minecraft:copper_trapdoor",
      "count": 2
    }
  }
}