i want add to zombie drop from mods

so trying coppy data from one mod bcs is usefull. but dont work olny drop rotten flesh...
{
  "type": "minecraft:entity",
  "pools": [
    {
      "rolls": {
        "min": 1,
        "max": 5
      },
      "entries": [
        {
          "type": "minecraft:item",
          "name": "apotheosis:boss_summoner",
          "weight": 1,
          "functions": [
            {
              "function": "minecraft:set_count",
              "count": {
                "min": 0,
                "max": 1
              }
            }
          ]
        },
        {
          "type": "minecraft:item",
          "name": "minecraft:iron_nugget",
          "weight": 15,
          "functions": [
            {
              "function": "minecraft:set_count",
              "count": {
                "min": 1,
                "max": 8
              }
            }
          ]
        },
        {
          "type": "minecraft:item",
          "name": "minecraft:dirt",
          "weight": 1,
          "functions": [
            {
              "function": "minecraft:set_count",
              "count": {
                "min": 0,
                "max": {
                  "min": 0,
                  "max": 1
                }
              }
            }
          ]
        },
        {
          "type": "minecraft:item",
          "name": "minecraft:bone_meal",
          "weight": 2,
          "functions": [
            {
              "function": "minecraft:set_count",
              "count": {
                "min": 1,
                "max": 4
              }
            }
          ]
        }
      ]
    }
  ]
}