lo_tor_mng->retrieve_by_association(
          EXPORTING
            iv_node_key             = /scmtms/if_tor_c=>sc_node-root
            it_key                  = CORRESPONDING #( lt_tor_root_data MAPPING key = key )
            iv_association          = zif_enh_tor1_c=>sc_association-root-z_pdf
            iv_fill_data            = abap_true
          IMPORTING
            et_data                 = lt_tor_pdf_data
         ).