MainModel.xml

<?xml version="1.0" encoding="utf-8"?>
<edmx:Edmx Version="4.0" xmlns:edmx="http://docs.oasis-open.org/odata/ns/edmx">
  <edmx:Reference Uri="http://www.example.com/ReferencedModel.csdl">
    <edmx:Include Namespace="SampleCode.ReferencedModel" Alias="RefModel" />
  </edmx:Reference>
  <edmx:DataServices>
    <Schema Namespace="SampleCode.MainModel" xmlns="http://docs.oasis-open.org/odata/ns/edm">
      <EntityType Name="Customer" BaseType="SampleCode.ReferencedModel.Person">
        <Property Name="HomeAddress" Type="SampleCode.ReferencedModel.Address" />
      </EntityType>
      <EntityContainer Name="MainContainer">
        <EntitySet Name="Customers" EntityType="SampleCode.MainModel.Customer" />
      </EntityContainer>
    </Schema>
  </edmx:DataServices>
</edmx:Edmx>