Not able to retrieve child objects from webservice response.

Hi,   I am not able to retrieve child objects (Contacts) from webservice response.   I followed the below steps. 1) consumed webservice 2) Imported webservice at domain model. it generated entities with relations. MXClaimSummaryResponse (1 -----1) MXClaimSummary (1----1) MX_Contacts (1----*)MXContact   entity : MXClaimSummary Description ClaimNumber State lose date   entity: MXContacts FirstName LastName   3) created micro flow and called webservice.  4) Passed the response ( MXClaimSummaryResponse )  to page 5) At page I added widget Data view and selected attributes.   at last i tried to select contacts which is not availe