[ABAP] Zugriff auf Elemente des Selektionsbildes (dirty assign)

SELECTION-SCREEN BEGIN OF LINE.
SELECTION-SCREEN COMMENT (8) lbl1 FOR FIELD p_name.
PARAMETERS: p_name TYPE string LOWER CASE.
SELECTION-SCREEN END OF LINE.

INITIALIZATION.
* "dirty assign" über Namen in Großbuchstaben
  ASSIGN ('LBL1') TO FIELD-SYMBOL(<l>).
  <l> = 'Eingabe:'.

* "dirty assign" über Namen in Großbuchstaben
  ASSIGN ('P_NAME') TO FIELD-SYMBOL(<p>).
  <p> = 'Test'.

START-OF-SELECTION.
  WRITE: / <l>, <p>.