pumpkin-java-multiversion/assets/datapacks/26_3/data/minecraft/recipe/smoker.json

{
  "type": "minecraft:crafting_shaped",
  "key": {
    "#": "#minecraft:logs",
    "X": "minecraft:furnace"
  },
  "pattern": [
    " # ",
    "#X#",
    " # "
  ],
  "result": {
    "id": "minecraft:smoker"
  }
}