In order to pass null values to the business service you have to add declaration to the Envelope
<font class="small">Code:</font><hr /><pre>xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
</pre><hr />
and to the and pass null value to each tag
<font class="small">Code:</font><hr /><pre><childtag1 xsi:nil="true" /> </pre><hr />
here is an example
<font class="small">Code:</font><hr /><pre><soapenv:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:typ="http://oracle.e1.bssv.JP560123/types/">
<soapenv:Header/>
<soapenv:Body>
<typ:ItemMasterAddElement>
<typ:inputItemsCollection>
<typ:unitofMeasureWeight xsi:nil="true" />
<typ:groupWarehouseProcess1 xsi:nil="true" />
<typ:levelPurchasePrice xsi:nil="true" />
<typ:salesCatalogSection xsi:nil="true" />
<typ:salesCategoryCode8 xsi:nil="true" />
<typ:salesCategoryCode6 xsi:nil="true" />
<typ:searchText>TEST</typ:searchText>
<typ:segment7 xsi:nil="true" />
<typ:segment2 xsi:nil="true" />
<typ
rderRepriceCategory xsi:nil="true" />
<typ:unitofMeasurePrimary xsi:nil="true" />
<typ:template xsi:nil="true" />
<typ:repriceBasketPriceCategory xsi:nil="true" />
<typ:bulkPackedFlag xsi:nil="true" />
<typ:buyerNumber xsi:nil="true" />
<typ:unitofMeasureVolume xsi:nil="true" />
<typ:segment3 xsi:nil="true" />
<typ:salesCategoryCode5 xsi:nil="true" />
<typ:groupWarehouseProcess3 xsi:nil="true" />
<typ:methodKitConfiguratorPricing xsi:nil="true" />
<typ:unitofMeasureShipping xsi:nil="true" />
<typ:bestBeforeDefaultDays xsi:nil="true" />
<typ:salesCategoryCode7 xsi:nil="true" />
<typ
lannerNumber xsi:nil="true" />
<typ:userLotDate2DefaultDays xsi:nil="true" />
<typ:segment5 xsi:nil="true" />
<typ:categoryGL>UT03</typ:categoryGL>
<typ:stockingType>S</typ:stockingType>
<typ:segment4 xsi:nil="true" />
<typ:subSection xsi:nil="true" />
<typ:carrierNumber xsi:nil="true" />
<typ:unitofMeasureSecondary xsi:nil="true" />
<typ:levelInventoryCost xsi:nil="true" />
<typ
urchasingEffectiveDays xsi:nil="true" />
<typ:itemMasterVersion>AAGMA0001</typ:itemMasterVersion>
<typ:descriptionLine2>TESTTTT</typ:descriptionLine2>
<typ
rintMessage xsi:nil="true" />
<typ:segment9 xsi:nil="true" />
<typ:daysShelfLifeDays xsi:nil="true" />
<typ
referredCarrierPurchasing xsi:nil="true" />
<typ:lineType>S</typ:lineType>
<typ:segment8 xsi:nil="true" />
<typ:segment10 xsi:nil="true" />
<typ:commoditySubClass xsi:nil="true" />
<typ:userLotDate3DefaultDays xsi:nil="true" />
<typ:itemPool xsi:nil="true" />
<typ:userLotDate5DefaultDays xsi:nil="true" />
<typ:groupItemDimension xsi:nil="true" />
<typ:serialNumberRequired xsi:nil="true" />
<typ:lotExpiratonDateCalculationMethod xsi:nil="true" />
<typ:itemPriceGroup xsi:nil="true" />
<typ:shippingConditionsCode xsi:nil="true" />
<typ:salesCategoryCode10 xsi:nil="true" />
<typ:groupWarehouseProcess2 xsi:nil="true" />
<typ:lotEffectiveDefaultDays xsi:nil="true" />
<typ:salesCategoryCode4 xsi:nil="true" />
<typ:segment6 xsi:nil="true" />
<typ:segment1 xsi:nil="true" />
<typ:unitofMeasurePurchasing xsi:nil="true" />
<typ:commodityClass xsi:nil="true" />
<typ:lotStatusCode xsi:nil="true" />
<typ:unitofMeasureProduction xsi:nil="true" />
<typ:userLotDate4DefaultDays xsi:nil="true" />
<typ:leadtimeLevel xsi:nil="true" />
<typ:salesCategoryCode3 xsi:nil="true" />
<typ:unitofMeasureComponent xsi:nil="true" />
<typ:layerCodeSource xsi:nil="true" />
<typ:userLotDate1DefaultDays xsi:nil="true" />
<typ:commitmentDateMethod xsi:nil="true" />
<typ:secondItemNumber>TEST</typ:secondItemNumber>
<typ:cycleCountCategory xsi:nil="true" />
<typ:thirdItemNumber>TEST</typ:thirdItemNumber>
<typ
urchasingCategoryCode5 xsi:nil="true" />
<typ:salesCategoryCode9 xsi:nil="true" />
<typ:sellByDefaultDays xsi:nil="true" />
<typ:backordersAllowedYN xsi:nil="true" />
<typ:checkAvailabilityYN xsi:nil="true" />
<typ:unitofMeasurePricing xsi:nil="true" />
<typ:shippingCommodityClass xsi:nil="true" />
<typ:description>TEST</typ:description>
<typ:commitmentMethod xsi:nil="true" />
<typ:levelSalesBasePrice xsi:nil="true" />
</typ:inputItemsCollection>
</typ:ItemMasterAddElement>
</soapenv:Body>
</soapenv:Envelope></pre><hr />