Oracle - Como hacer para pasar datos de un forms de oracle a un pdf

DECLARE

     PL_ID          PARAMLIST;

     PL_NAME     VARCHAR2(10) := 'param_list';

BEGIN

     PL_ID := GET_PARAMETER_LIST (PL_NAME);

     IF NOT ID_NULL (PL_ID) THEN

              Destroy_Parameter_List(PL_ID);

     END IF;

      PL_ID := Create_Parameter_List(PL_NAME);

      Add_Parameter (PL_ID, 'DESTYPE', TEXT_PARAMETER, 'FILE');

      Add_Parameter (PL_ID, 'DESNAME', TEXT_PARAMETER, 'c:\test.pdf');

     Add_Parameter (PL_ID, 'DESFORMAT', TEXT_PARAMETER, 'PDF');

        RUN_PRODUCT (REPORTS, 'REPORT_NAME', ASYNCHRONOUS, RUNTIME, FILESYSTEM, PL_ID, NULL);

END;