{
  "pools": [
    {
      "rolls": 1,
      "entries": [
        {
          "type": "minecraft:item",
          "name": "minecraft:stone",
          "functions": [
            {
              "function": "minecraft:set_name",
              "entity": "this",
              "name": [
                "test",
                {
                  "selector": "@s"
                }
              ]
            }
          ]
        }
      ]
    }
  ]
}