Update a Specific PM Project Item

{
  "PmpiCompCode": "001",
  "PmpiProjCode": "14001",
  "PmpiLineNum": 169,
  "PmpiMaterialOrTaskCode": null,
  "PmpiItemName": null,
  "PmpiWmCode": null,
  "PmpiPurchasingTypeCode": null,
  "PmpiClvValueCode1": null,
  "PmpiClvValueCode2": null,
  "PmpiClvValueCode3": null,
  "PmpiClvValueCode4": null,
  "PmpiSpecSection": null,
  "PmpiSpecSubsection": null,
  "PmpiPurchasedFlag": null,
  "PmpiEstQty": null,
  "PmpiEstPriceAmt": null,
  "PmpiEstAmt": null,
  "PmpiQuotedQty": null,
  "PmpiQuotedPriceAmt": null,
  "PmpiQuotedAmt": null,
  "PmpiActualQty": null,
  "PmpiActualPriceAmt": null,
  "PmpiActualAmt": null,
  "PmpiPhsCode": null,
  "PmpiCatCode": null,
  "PmpiVenCode": null,
  "PmpiPoOrContCode": null,
  "PmpiRelOrChgCode": null,
  "PmpiTax1Code": null,
  "PmpiTax2Code": null,
  "PmpiTax3Code": null,
  "PmpiSelectedFlag": null,
  "PmpiClvValueCode5": null,
  "PmpiClvValueCode6": null,
  "PmpiHldbkPct": null,
  "PmpiJobCode": null,
  "PmpiItemTypeCode": null,
  "PmpiItemLocCode": null,
  "PmpiTargetPurchaseDate": null,
  "PmpiPhsWmCode": null,
  "PmpiPhsQty": null,
  "PmpiUpdBudgetFlag": null,
  "PmpiPreEst1Qty": null,
  "PmpiPreEst1PriceAmt": 1000,
  "PmpiPreEst1Amt": null,
  "PmpiPreEst2Qty": null,
  "PmpiPreEst2PriceAmt": null,
  "PmpiPreEst2Amt": null,
  "PmpiIuCreateDate": "2023-08-21T15:04:14Z",
  "PmpiIuUpdateDate": null,
  "PmpiWbsvCode1": null,
  "PmpiWbsvCode2": null,
  "PmpiWbsvCode3": null,
  "PmpiWbsvCode4": null,
  "PmpiBillQty": null,
  "PmpiBillPrice": null,
  "PmpiBillAmt": null,
  "PmpiTempPciId": null,
  "PmpiCarryValue": null,
  "PmpiAlterId": null,
  "PmpiMarkupIndicatorFlag": null,
  "PmpiTpTimePhasedFlag": "N",
  "PmpiTpRuleCode": null,
  "PmpiTpStartDate": null,
  "PmpiTpEndDate": null,
  "PmpiPhsType": null,
  "PmpiForecastMeth": null,
  "PmpiIsIncludedInBudgFlag": "N",
  "PmpiIsExistInEmFlag": "N",
  "PmpiPhsDescFromEm": null,
  "PmpiBillingTypeCode": null,
  "PmpiWorkDays": null,
  "PmpiComments": null,
  "PmpiVUuid": "0371304551445641E06316821FAC5FE0",
  "PmpiBatchNum": null,
  "PmpiWkfStatus": null,
  "links": [
    {
      "rel": "self",
      "href": "http://mobtest.cmiccloudr12.com:80/cmictestrti/pm-rest-api/rest/1/pmprojectitem/0371304551445641E06316821FAC5FE0",
      "name": "pmprojectitem",
      "kind": "item"
    },
    {
      "rel": "canonical",
      "href": "http://mobtest.cmiccloudr12.com:80/cmictestrti/pm-rest-api/rest/1/pmprojectitem/0371304551445641E06316821FAC5FE0",
      "name": "pmprojectitem",
      "kind": "item"
    }
  ]
}