| duration | Number | milliseconds | Set the autoplay interval for cycling notices. | 3000 | — | |
| content | String | text | Announcement text when no default slot is supplied. | — | — | |
| type | String | info | success | warning | danger | Semantic announcement tone. | info | — | |
| scrollable | Boolean | true | false | Enables marquee animation. | true | — | |
| closable | Boolean | true | false | Shows a close control. | — | — | |