label: The format string for the notifications widget. The string can contain the {count} placeholder which will be replaced with the number of notifications.
label_alt: The alternative format string for the notifications widget. The string can contain the {count} placeholder which will be replaced with the number of notifications.
tooltip: Whether to show the tooltip on hover.
hide_empty: Whether to hide the widget when there are no notifications.
callbacks: Callbacks for mouse events on the memory widget. The following callbacks are available:
on_left: Callback for left-click event.
on_middle: Callback for middle-click event.
on_right: Callback for right-click event.
container_padding: Explicitly set padding inside widget container. The padding can be set for each side of the container.
animation: A dictionary specifying the animation settings for the widget. It contains three keys: enabled, type, and duration. The type can be fadeInOut and the duration is the animation duration in milliseconds.