/scmtms/cl_common_helper=>get_do_keys_4_rba(
      EXPORTING
        iv_host_bo_key      = /bofu/if_bupa_constants=>sc_bo_key
        iv_host_do_node_key = /bofu/if_bupa_constants=>sc_node-/bofu/address
        iv_do_node_key      = /bofu/if_addr_constants=>sc_node-postal_address
        iv_do_assoc_key     = /bofu/if_addr_constants=>sc_association-root-postal_address
      IMPORTING
        ev_node_key         = lv_node_key
        ev_assoc_key        = lv_assoc_key ).

    mo_bp_srv->retrieve_by_association(
      EXPORTING
        iv_node_key         = /bofu/if_bupa_constants=>sc_node-/bofu/address
        iv_association      = lv_assoc_key
        iv_fill_data        = abap_true
        it_key              = lt_address_keys
      IMPORTING
        et_data             = lt_postal_address ).