"gr_columns->set_exception_column( value = 'LIGHTS' ). Here LIGHTS is the name of column to be added in the internal table.
1 for RED, 2 for YELLOW and 3 for GREEN."
The SAP Docking Container allows you to attach a control to any of the four edges of a screen as a resizable screen area. You can also detach it so that it becomes an independent modal dialog box. Class: CL_GUI_DOCKING_CONTAINER.