smartform/GroupElement A GroupElement is a combination of one label and different controls associated to this label. sap.ui.layout/form/FormElement Specifies whether the groups shall be rendered in a <code>ResponsiveLayout</code> with label on top of the group element. Each group will be rendered in a new line. <b>Note:</b> If <code>Group</code> is assigned to a <code>SmartForm</code> control, this property is inherited from the <code>SmartForm</code> control. So don't set it to a different value from the one in the <code>SmartForm</code> control. For performance reasons it might make sense to set it manually to the same value as the one in the <code>SmartForm</code> control when creating the <code>GroupElement</code> element. Specifies the minimal size in pixels of all group elements of the form if horizontal Layout is used. <b>Note:</b> If <code>Group</code> is assigned to a <code>SmartForm</code> control, this property is inherited from the <code>SmartForm</code> control. So don't set it manually. please do not use this property as it does not have any effect on the current layout of the <code>SmartForm</code> control. Index of element to be used for label determination The event is fired after the visibility of the control has changed. Aggregation of controls to be displayed together with a label. <b>Warning:</b> Do not put any layout or other container controls in here. This could damage the visual layout, keyboard support and screen-reader support. Only form controls are allowed. Views are also not supported. Allowed controls implement the interface <code>sap.ui.core.IFormContent</code>.