ConstructingNewModel.cs

EdmModel mainModel = new EdmModel();
var mainContainer = new EdmEntityContainer(mainNS, "MainContainer");            

var customerType = new EdmEntityType(mainNS, "Customer", (IEdmEntityType)personType);
customerType.AddProperty(new EdmStructuralProperty(customerType, "HomeAddress", new EdmComplexTypeReference((IEdmComplexType)addressType, true)));
mainModel.AddElement(customerType);

var customerSet = new EdmEntitySet(mainContainer, "Customers", customerType);
mainContainer.AddElement(customerSet);
mainModel.AddElement(mainContainer);