Alert
Alert is an inline banner with token-backed surfaces by tone, optional heading, dismiss control, and polite or assertive live region semantics. Reference — header Documentation → Alert.
Examples: tones
Neutral — inline note or placeholder state.
Did you know?
Keyboard shortcuts are listed under Help → Shortcuts.
Published
Changes are live on production.
Cap nearly reached
You have used 90% of your monthly quota.
Action required
Two-factor authentication must be enabled by Friday.
Examples: trigger from buttons
Choose a tone above — the banner appears below and updates the live region.
Examples: dismissible
Reminders
You have 3 unread messages.
Examples: assertive (errors)
Session expired
Refresh the page and sign in again.
Markdown reference — header Documentation → Alert.