pub fn request_user_attention<Message>(
    user_attention: Option<UserAttention>
) -> Command<Message>
Expand description

Request user attention to the window, this has no effect if the application is already focused. How requesting for user attention manifests is platform dependent, see UserAttention for details.

Providing None will unset the request for user attention. Unsetting the request for user attention might not be done automatically by the WM when the window receives input.