code: function(oExtension) {
  			var oTable = oExtension.getTable();
  			var oInfo = TableUtils.getFocusedItemInfo(oTable);
  			return oInfo.cellInRow - (TableUtils.hasRowHeader(oTable) ? 1 : 0);
  		}
docs: /*
  Returns the index of the column (in the array of visible columns (see Table._getVisibleColumns())) of the current focused cell
  In case the focused cell is a row action the given index equals the length of the visible columns.
  This function must not be used if the focus is on a row header.
  @returns {int}