Image With Caption — A2UI Atomic Catalog

Field	Type
image_url	string	required
alt_text	string	required
caption	string	required
link_url	string	required

Example payload

{
  "type": "image_with_caption",
  "image_url": "https://example.com",
  "alt_text": "Descriptive alt text for accessibility",
  "caption": "A descriptive caption",
  "link_url": "https://example.com"
}

ARD catalog entry

{
  "identifier": "urn:air:a2uicatalog.ai:atom:image_with_caption",
  "displayName": "Image With Caption",
  "type": "application/vnd.a2ui.atom+json",
  "url": "https://a2uicatalog.ai/atoms/image_with_caption",
  "capabilities": [
    "web",
    "meet-stage",
    "googlechat",
    "email",
    "pdf",
    "apps-script-web"
  ],
  "description": "Renders a single image with a descriptive caption below it.",
  "representativeQueries": [
    "show a image with styled caption below",
    "renders a single image with a descriptive caption below it.",
    "render a image with caption"
  ]
}

Deploy your own renderer

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

Full deploy guide →