[ABAP] SALV-Table – Tooltip des Spalten-Kopfes (Header Tooltip) ändern

DATA: o_alv TYPE REF TO cl_salv_table.

...

TRY.
    DATA(o_col) = CAST cl_salv_column_list( o_alv->get_columns( )->get_column( 'CONNID' ) ).
    o_col->set_tooltip( 'ToolTip' ).
  CATCH cx_salv_not_found.
ENDTRY.