how to get bsp view page by generated class name

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REPORT ZPAGENAME.
 
PARAMETERS: name TYPE trdir-unam OBLIGATORY,
            date TYPE trdir-udat OBLIGATORY.
DATA: lt_trdir TYPE STANDARD TABLE OF trdir,
      lt_page TYPE STANDARD TABLE OF o2pagdir.
 
TYPES: BEGIN OF ty_impl,
           name TYPE o2pagdir-implclass,
       END OF ty_impl.
 
TYPES: tt_impl TYPE STANDARD TABLE OF ty_impl.
 
START-OF-SELECTION.
 
    SELECT * INTO TABLE lt_trdir FROM trdir WHERE unam = name AND udat = date.
    CHECK lt_trdir IS NOT INITIAL.
 
    DATA: lt_impl TYPE tt_impl,
          ls_trdir TYPE trdir,
          ls_impl TYPE ty_impl.
 
    LOOP AT lt_trdir INTO ls_trdir.
       ls_impl-name = ls_trdir-name.
       APPEND ls_impl TO lt_impl.
    ENDLOOP.
 
    SELECT * INTO TABLE lt_page FROM o2pagdir FOR ALL ENTRIES IN lt_impl
      WHERE implclass = lt_impl-name.
 
   BREAK-POINT.