# Method GTK2.Window()->set_startup_id()

Method set_startup_id

  ``GTK2.Window` set_startup_id(`string` `id`)`

Description

  Startup notification identifiers are used by desktop environment to track application startup, to provide user feedback and other features. This function changes the corresponding property on the underlying GDK2.Window. Normally, startup identifier is managed automatically and you should only use this function in special cases like transferring focus from other processes. You should use this function before calling window->present() or any equivalent function generating a window map event.