ShellOverlay SAP SE ShellOverlay to be opened in front of an sap.ui.unified.Shell 1.16.3 sap.ui.core/Control Fired when the overlay was closed. The content to appear in the overlay. Experimental (This aggregation might change in future!): The search control which should be displayed in the overlay header. Reference to the sap.ui.unified.Shell or sap.ui.unified.ShellLayout control. Association to controls / ids which label this control (see WAI-ARIA attribute aria-labelledby).