needs_attention
Description:
Whether the page needs attention.
[class@TabBar] will display a glow under the tab representing the page if set to `TRUE`. If the tab is not visible, the corresponding edge of the tab bar will be highlighted.
Whether the page needs attention.
[class@TabBar] will display a glow under the tab representing the page if set to `TRUE`. If the tab is not visible, the corresponding edge of the tab bar will be highlighted.