MessageToast Responsible for displaying the new incoming messages, one at the time, on top of the MessageBar. Instead, use the <code>sap.m.MessageToast</code> control. sap.ui.core/Control ID of the anchor on top of which the MessageToast is to render. Fired once the <code>toast()</code> method is over, so that the MessageBar can "toast" another message if needed. Triggers the toasting of a message, on top of the MessageBar. If no message is supplied, displays the "Multiple new messages..." message. Receives the list of Messages to be displayed, and re-renders this Control if it is visible. The Message to be toasted. DOM ID of the anchor against which the Toast Arrow should align for a given Toast. Returns the idle state of the control. Returns true if no message is being toasted.