A fixed-position slide-in notification toast that appears from a corner of the viewport, holds for 3.5 seconds, then slides back out — all via CSS keyframes. Renders a viewport placeholder in the article flow with the toast positioned fixed above it.
| Surface | Note |
|---|---|
| google-meet-stage | Fixed positioning relative to Meet iframe; renders at iframe edge |
| Renders as a styled notification card inline (not fixed) | |
| google-chat | Renders as a plain notification text card |
| Field | Type | |
|---|---|---|
| title | string. Bold notification title. Default "Changes saved". | optional |
| message | string. Body text. Default "Your updates have been applied successfully." | optional |
| variant | "success" | "error" | "info" | "warning" (optional, default "success") | optional |
| position | "bottom-right" | "bottom-left" | "top-right" | "top-left" (optional, default "bottom-right") | optional |
{
"type": "toast_notification"
}{
"identifier": "urn:air:a2uicatalog.ai:atom:toast_notification",
"displayName": "Toast Notification",
"type": "application/vnd.a2ui.atom+json",
"url": "https://a2uicatalog.ai/atoms/toast_notification",
"capabilities": [
"web",
"google-apps-script-side-panel",
"google-apps-script-web",
"mcp-apps"
],
"description": "A fixed-position slide-in notification toast that appears from a corner of the viewport, holds for 3.5 seconds, then slides back out \u2014 all via CSS keyframes. Renders a viewport placeholder in the article flow with the toast positioned fixed above it.",
"representativeQueries": [
"show a CSS slide-in/out fixed-position notification toast",
"a fixed-position slide-in notification toast that appears from a corner of the viewport, holds for 3",
"render a toast notification"
]
}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