Have To Declare Property in different class

Question

<TravelDetails xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">

<UserID>100002</UserID>

<ClientDetails>

<ClientType />

<ForeName />

<LastName />

<ClientAddress>

<CommunicationAddress>

<Address1 />

</CommunicationAddress>

<PermanentAddress>

<IsPermanentSameasCommAddr>true</IsPermanentSameasCommAddr>

<Address>

<Address1 />

</Address>

</PermanentAddress>

</ClientAddress>

</ClientDetails>

<InsuredDetail>

<Email>[email protected]</Email>

</InsuredDetail>

<SpouseDetails>

<FirstName />

<DOB />

<PassportNo />

<RelationshipwithInsuredID />

<NomineeName />

<NomineeRelationshipID />

</SpouseDetails>

<ChildDetailList>

<ChildDetails>

<ChildName />

</ChildDetails>

</ChildDetailList>

<UniversityDetails>

<UniversityName />

<UniversityCountryId />

<EmailId />

<Fax />

</UniversityDetails>

<CourseDetails>

<CourseDuration />

<TutionFeePerSem />

<NoOfSems />

</CourseDetails>

<HomeBurglaryAddress>

<IsSameAsCommAddr>false</IsSameAsCommAddr>

<Address>

<Address1 />

<SponsorDetails>

<SponsorName />

<IsSponserAddressSameasCommAddress>false</IsSponserAddressSameasCommAddress>

<SponserAddress>

<MobileNo />

</SponserAddress>

</SponsorDetails>

<DoctorDetails>

<IsDoctorDetails>false</IsDoctorDetails>

<Name />

<Address>

<Address1 />

</Address>

</DoctorDetails>

<Policy>

<BusinessType>1</BusinessType>

<AgentCode>Direct</AgentCode>

</Policy>

<RiskDetails>

<IsIndianCitizen>true</IsIndianCitizen>

<IsOverSeasCitizen>false</IsOverSeasCitizen>

</RiskDetails>

<LstTravelCoverDetails>

<LstTravelCovers>

<CoverageName />

</LstTravelCovers>

</LstTravelCoverDetails>

<ErrorMessages />

<SourceSystemID>100002</SourceSystemID>

</TravelDetails>

 

I have to declare above kind of properties in different class and assign value from form input and create XML like above, so how can I do this