- The information about the ReferenceID of the principal member of the family. Member ID should be used if reported member is the principal beneficiary.
Reference ID can be one of the following:
- File Number for Dubai and non-Dubai expats (MemberType = 4,5)
- Passport# for others (MemberType = 1, 2, 3)
- Birth Certificate ID for Newborns (MemberType = 6)
- If the reported member has no other related family members under the same PayerID, (MemberRelation = Principal) then the MemberRelationTo value should be the same as MemberID.
- If the reported member has a related family members under the same PayerID, (MemberRelation = Spouse, Parent, Child or Other) then the MemberRelationTo value should be the insured memberID of the family member.

<xs:simpleType name="MemberRelationTo">
    <xs:annotation>
        <xs:documentation>
        - The information about the ReferenceID of the principal member of the family. Member ID should be used if reported member is the principal beneficiary.
        Reference ID can be one of the following:
        - File Number for Dubai and non-Dubai expats (MemberType = 4,5)
        - Passport# for others (MemberType = 1, 2, 3)
        - Birth Certificate ID for Newborns (MemberType = 6)
        - If the reported member has no other related family members under the same PayerID, (MemberRelation = Principal) then the MemberRelationTo value should be the same as MemberID.
        - If the reported member has a related family members under the same PayerID, (MemberRelation = Spouse, Parent, Child or Other) then the MemberRelationTo value should be the insured memberID of the family member.
      </xs:documentation>
    </xs:annotation>
    <xs:restriction base="xs:string">
        <xs:minLength value="1" />
        <xs:maxLength value="30" />
    </xs:restriction>
</xs:simpleType>