A lower third: an accent bar draws, the name slides out of it behind a clip, and the role fades in under it as p goes 0 to 1. Plain CSS, no script; standalone it renders finished.
| Surface | Note |
|---|---|
| Prints the final state (type fully revealed, numbers at their values, shapes drawn); no motion | |
| google-chat | Inline CSS functions and custom properties are not supported |
| Field | Type | Required |
|---|---|---|
| name | string (max 40). | required |
| role | string (optional, max 60). | optional |
| size | integer. Name px, 10-120. Default 36. | optional |
| color | "#rrggbb". Name. Default the stage ink. | optional |
| accent | "#rrggbb". Bar and role. Default the stage accent. | optional |
| fill | "#rrggbb". Panel. Default near-black. | optional |
{
"type": "motion_lower_third",
"name": "Motion Lower Third"
}{
"identifier": "urn:air:a2uicatalog.ai:atom:motion_lower_third",
"displayName": "Motion Lower Third",
"type": "application/vnd.a2ui.atom+json",
"url": "https://a2uicatalog.ai/atoms/motion_lower_third",
"capabilities": [
"web",
"google-meet-stage",
"google-apps-script-web",
"mcp-apps",
"android"
],
"description": "A lower third: an accent bar draws, the name slides out of it behind a clip, and the role fades in under it as p goes 0 to 1. Plain CSS, no script; standalone it renders finished.",
"representativeQueries": [
"show a name and role lower third that draws and slides in",
"a lower third: an accent bar draws, the name slides out of it behind a clip, and the role fades in u",
"render a motion lower third"
]
}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