$wp_custom->add_control( new WM4_Customize_Slider_Control( $wp_custom,
                               'idforslider',
                               array( 'priority'  => 1,
                                  'label'     => 'Label for this slider',
                                  'section'   => 'Menu Section to put the Control under',
                                  'settings'  => options['idforslider'],
                                 )
                                  )
            );