Vertical timeline with dot connectors, date badges, tag pills
| Surface | Note |
|---|---|
| google-chat | flexbox layout and custom styling stripped — use bullet_list with bold dates |
| flexbox unreliable on mobile email — use bullet_list with bold dates |
| Field | Type | |
|---|---|---|
| title | string | optional |
| accent | string | optional |
| events | [{'date': 'string', 'label': 'string', 'text': 'string', 'tag': 'string'}] | optional |
{
"type": "timeline"
}
{
"identifier": "urn:air:a2uicatalog.ai:atom:timeline",
"displayName": "Timeline",
"type": "application/vnd.a2ui.atom+json",
"url": "https://a2uicatalog.ai/atoms/timeline",
"capabilities": [
"web",
"google-meet-stage",
"pdf",
"google-apps-script-web",
"mcp-apps"
],
"description": "Vertical timeline with dot connectors, date badges, tag pills",
"representativeQueries": [
"show a chronological event timeline",
"vertical timeline with dot connectors, date badges, tag pills",
"render a timeline"
]
}
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 →