Id of the menu, as menu.show returned it.
Why the menu closed: select after a row was chosen, outside for a click outside it, escape, blur when another window took the focus, replaced when another menu opened, timeout when the menu page did not answer in time, or the reason given to menu.close.
Payload of the
menu:dismissevent. A menu opened withmenu.showclosed, whether or not a row was chosen. Delivered likemenu:select, also when another page'smenu.showormenu.closeclosed the menu.