Highlighted alert box — info, warning, tip, or danger
| Surface | Note |
|---|---|
| googlechat | border-left and background colour stripped — use bold text prefix instead |
| background colour unreliable — test across clients or use plain bold text |
| Field | Type | |
|---|---|---|
| kind | info | warning | tip | danger | required |
| title | string | optional |
| text | string | required |
{
"type": "callout",
"kind": "info",
"text": "A concise description of the content."
}{
"identifier": "urn:air:a2uicatalog.ai:atom:callout",
"displayName": "Callout",
"type": "application/vnd.a2ui.atom+json",
"url": "https://a2uicatalog.ai/atoms/callout",
"capabilities": [
"web",
"meet-stage",
"pdf",
"apps-script-web"
],
"description": "Highlighted alert box \u2014 info, warning, tip, or danger",
"representativeQueries": [
"show a coloured tip info warning or danger highlight box",
"highlighted alert box \u2014 info, warning, tip, or danger",
"render a callout"
]
}The renderer is open source. 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 apps-script-surface/gas-schema-renderer
clasp push && clasp deploy