Sample user-relationship.xml file

<Relationships>

 <Parent-Child>

  <ChildId>{OrgDefinedId-ForChild}</ChildId>

  <ParentId>{OrgDefinedId-ForParent}</ParentId>

 </Parent-Child>

 <Parent-Child>

  <ChildId>{OrgDefinedId-ForChild2}</ChildId>

  <ParentId>{OrgDefinedId-ForParent2}</ParentId>

 </Parent-Child>

</Relationships>