gtk:stack-child-needs-attention (container child)

container -- a gtk:stack widget
child -- a gtk:widget child widget
attention -- a boolean whether the child page requires attention

Accessor of the needs-attention child property of the gtk:stack class. Sets a flag specifying whether the child page requires the user attention. This is used by the gtk:stack-switcher widget to change the appearance of the corresponding button when a page needs attention and it is not the current one.