code: private void setListIdForColumn(CmsListColumnDefinition col) {
  
          col.setListId(getListId());
          // default actions
          Iterator<CmsListDefaultAction> itDefaultActions = col.getDefaultActions().iterator();
          while (itDefaultActions.hasNext()) {
              itDefaultActions.next().setListId(getListId());
          }
          // direct actions
          Iterator<I_CmsListDirectAction> itDirectActions = col.getDirectActions().iterator();
          while (itDirectActions.hasNext()) {
              itDirectActions.next().setListId(getListId());
          }
      }
docs: Sets the list id for all column single actions.<p>
  
  @param col the column to set the list id for