How to crete object id for my schema.

[wxdqz]

Here is the schema i have i need to add the object ids for the complex typeelements can anyone add the object id for me ans send itor can anyone tell me how to do it?<?xml version="1.0"?><!--<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"targetNamespace="http://nims.comindico.com.au/model"xmlns="http://nims.comindico.com.au/model"elementFormDefault="qualified">--><xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"targetNamespace="http://utests.daoc.tools.common.eai.eservglobal.com/model"xmlns="http://utests.daoc.tools.common.eai.eservglobal.com/model"elementFormDefault="qualified"><xs:include schemaLocation="categoryAMessage_2001.xs"/><xs:include schemaLocation="categoryBMessage_2001.xs"/><xs:include schemaLocation="categoryCMessage_2001.xs"/><xs:include schemaLocation="categoryGMessage_2001.xs"/><xs:element name="Message"><xs:complexType><xs:sequence><xs:element name="Event"><xs:complexType><xs:sequence><xs:element name="BusinessObject" type="xs:string"/><xs:element name="Operation" type="xs:string"/><xs:element name="SourceCsp" type="xs:string"/><xs:element name="DestinationCsp" type="xs:string"/><xs:element name="FileType" type="xs:string"/><xs:element name="EventData"><xs:complexType><xs:sequence><xs:element name="MessageFormatA1" type="MessageFormatA1Data" minOccurs="0"/><xs:element name="MessageFormatA2" type="MessageFormatA2Data" minOccurs="0"/><xs:element name="MessageFormatA3" type="MessageFormatA3Data" minOccurs="0"/><xs:element name="MessageFormatA4" type="MessageFormatA4Data" minOccurs="0"/><xs:element name="MessageFormatCommon1" type="MessageFormatCommon1Data"minOccurs="0"/><xs:element name="EcaCutoverComplete" type="EcaCutoverCompleteData"minOccurs="0"/><xs:element name="CheckedSnaPortNotification" type="CheckedSnaPortNotificationData"minOccurs="0"/><xs:element name="MessageFormatC1" type="MessageFormatC1Data" minOccurs="0"/><xs:element name="MessageFormatC2" type="MessageFormatC2Data" minOccurs="0"/><xs:element name="MessageFormatC3" type="MessageFormatC3Data" minOccurs="0"/><xs:element name="MessageFormatC4" type="MessageFormatC4Data" minOccurs="0"/><xs:element name="MessageFormatC5" type="MessageFormatC5Data" minOccurs="0"/><xs:element name="MessageFormatC6" type="MessageFormatC6Data" minOccurs="0"/><xs:element name="MessageFormatC7" type="MessageFormatC7Data" minOccurs="0"/><xs:element name="MessageFormatC8" type="MessageFormatC8Data" minOccurs="0"/><xs:element name="MessageFormatB1" type="MessageFormatB1Data" minOccurs="0"/><xs:element name="MessageFormatB2" type="MessageFormatB2Data" minOccurs="0"/><xs:element name="MessageFormatB3" type="MessageFormatB3Data" minOccurs="0"/><xs:element name="MessageFormatB4" type="MessageFormatB4Data" minOccurs="0"/><xs:element name="MessageFormatB5" type="MessageFormatB5Data" minOccurs="0"/><xs:element name="MessageFormatB6" type="MessageFormatB6Data" minOccurs="0"/><xs:element name="MessageFormatB7" type="MessageFormatB7Data" minOccurs="0"/><xs:element name="MessageFormatB8" type="MessageFormatB8Data" minOccurs="0"/><xs:element name="MessageFormatG1" type="MessageFormatG1Data" minOccurs="0"/><xs:element name="MessageFormatG2" type="MessageFormatG2Data" minOccurs="0"/></xs:sequence></xs:complexType></xs:element></xs:sequence></xs:complexType></xs:element></xs:sequence></xs:complexType></xs:element></xs:schema>