updatePurchaseOrder

mutation UpdatePurchaseOrder($input: UpdatePurchaseOrderInput!) {
  updatePurchaseOrder(input: $input) {
    purchaseOrder {
      Attributes {
        Created
        Etag
        LastSessionId
        Updated
        _IonValueCount
        _ValueCount
      }
      LastSessionId
      _ApprovalLevelsCount
      _ApprovalRequestsCount
      _ApprovalsCount
      _AssigneesCount
    }
  }
}

{
  "input": {
    "etag": "string",
    "id": 1
  }
}

{
  "data": {
    "updatePurchaseOrder": {
      "purchaseOrder": {
        "Attributes": [
          {
            "Created": "value",
            "Etag": "string",
            "LastSessionId": "string",
            "Updated": "value",
            "_IonValueCount": 1,
            "_ValueCount": 1
          }
        ],
        "LastSessionId": "string",
        "_ApprovalLevelsCount": 1,
        "_ApprovalRequestsCount": 1,
        "_ApprovalsCount": 1,
        "_AssigneesCount": 1
      }
    }
  }
}