mutation CreateBillOfMaterialsOperation($request: CreateBillOfMaterialsOperationCommandRequestInput!) {
  CreateBillOfMaterialsOperation(request: $request) {
    id
  }
}

{
  "request": {
    "productionItemId": "id",
    "billOfMaterialsId": "id",
    "input": {
      "operationId": "id",
      "items": [
        {
          "itemId": "id",
          "quantity": "value"
        }
      ]
    }
  }
}

{
  "data": {
    "CreateBillOfMaterialsOperation": {
      "id": "id"
    }
  }
}