mutation SetJobBlockDayMembers($id: ID!, $input: SetJobBlockDayMembersInput!) {
  setJobBlockDayMembers(id: $id, input: $input) {
    result {
      id
      position
      name
      projectTradeIds
      tradeHeadcounts
      productionValueCents
    }
    errors {
      message
      code
      fields
      path
    }
  }
}

{
  "id": "id",
  "input": {
    "dayIndex": 1
  }
}

{
  "data": {
    "setJobBlockDayMembers": {
      "result": {
        "id": "id",
        "position": 1,
        "name": "string",
        "projectTradeIds": [
          "id"
        ],
        "tradeHeadcounts": "value",
        "productionValueCents": 1
      },
      "errors": [
        {
          "message": "string",
          "code": "string",
          "fields": [
            "string"
          ],
          "path": [
            "string"
          ]
        }
      ]
    }
  }
}