| value | string | Yes | - | Text of an option on the toolbar. |
| icon | string | No | - | Icon path of an option on the toolbar. |
| action | () => void | No | - | Callback invoked when an option is selected. |
- NavigationTitleMode enums
| Name | Description |
| Name | Description |
| -------- | -------- |
| Free | When the content is a scrollable component, the title shrinks as the content scrolls up (the subtitle fades out with its size remaining unchanged) and restores as the content scrolls down. |
| Mini | The mode is fixed at mini mode (icon + main title and subtitle). |
| Full | The mode is fixed at full mode (main title and subtitle). |