{
  "operationId": "updatePurchaseOrder",
  "method": "PUT",
  "path": "/po/purchaseOrders/{poHeaderId}",
  "summary": "Update a Purchase Order",
  "requestExamples": [
    {
      "contentType": "application/json",
      "name": "UpdatepurchaseorderRequestExample",
      "example": {
        "description": "A sample description.",
        "lines": [
          {
            "poLineId": "500123",
            "quantity": 42.5,
            "unitPrice": 42.5,
            "needByDate": "2026-01-15",
            "cancelFlag": true
          }
        ]
      }
    }
  ],
  "responseExamples": [
    {
      "status": "200",
      "contentType": "application/json",
      "name": "Updatepurchaseorder200Example",
      "example": {
        "poHeaderId": "500123",
        "segment1": "example_value",
        "typeLookupCode": "STANDARD",
        "vendorId": "500123",
        "vendorName": "example_value",
        "vendorSiteId": "500123",
        "currencyCode": "example_value",
        "authorizationStatus": "APPROVED",
        "approvedFlag": "Y",
        "closedCode": "OPEN",
        "totalAmount": 42.5,
        "creationDate": "2026-01-15T10:30:00Z",
        "approvedDate": "2026-01-15",
        "buyerId": "500123",
        "shipToLocationId": "500123",
        "billToLocationId": "500123",
        "termsId": "500123",
        "description": "A sample description.",
        "lines": [
          {
            "poLineId": "500123",
            "lineNum": 10,
            "lineType": "example_value",
            "itemId": "500123",
            "itemDescription": "example_value",
            "categoryId": "500123",
            "quantity": 42.5,
            "unitMeasLookupCode": "example_value",
            "unitPrice": 42.5,
            "amount": 42.5,
            "needByDate": "2026-01-15",
            "promisedDate": "2026-01-15",
            "closedCode": "example_value",
            "shipments": {}
          }
        ],
        "orgId": "500123",
        "lastUpdateDate": "2026-01-15T10:30:00Z"
      }
    }
  ]
}