Notification Badge

Small badge overlaid on an icon or element to indicate unread count or alert state.

Surfaces
webgoogle-apps-script-webmcp-apps
Degraded on
SurfaceNote
google-meet-stageOverlay positioning unreliable in stage grid.
emailRenders as inline text.
Live preview
New
Fields
FieldType
textstring. Badge label or count.required
colorstring. Background colour (hex).optional
Example payload
{
  "type": "notification_badge",
  "text": "New"
}
ARD catalog entry
{
  "identifier": "urn:air:a2uicatalog.ai:atom:notification_badge",
  "displayName": "Notification Badge",
  "type": "application/vnd.a2ui.atom+json",
  "url": "https://a2uicatalog.ai/atoms/notification_badge",
  "capabilities": [
    "web",
    "google-apps-script-web",
    "mcp-apps"
  ],
  "description": "Small badge overlaid on an icon or element to indicate unread count or alert state.",
  "representativeQueries": [
    "show a unread count badge overlaid on icon element",
    "small badge overlaid on an icon or element to indicate unread count or alert state.",
    "render a notification badge"
  ]
}
← Full ARD catalog
Deploy your own Google Apps Script renderer

The renderer is an open-source Google Apps Script web app. Deploy your own instance in 4 commands — you own the URL, no dependency on the demo endpoint.

git clone https://github.com/a2uicatalog/a2ui
cd a2ui/apps-script-surface/gas-wired-renderer
clasp push && clasp deploy
Full deploy guide →