# Timeline

URL: /code/ui/components/timeline · Id: `uiComponent:timeline`

> Timeline lists a Thing's Actions and Events oldest first, keeping delivery and acceptance as separate steps.

Timeline lists a [Thing](/business/nouns/thing)'s [Actions](/business/nouns/action) and [Events](/business/nouns/event) oldest first, keeping delivery and acceptance as separate steps.

| Renderer | Draws |
| --- | --- |
| `web` | Web: rich interactive UI for humans. |
| `native` | Native: JSON for native clients on phone, watch, and TV. |
| `markdown` | Markdown: token-efficient text for agents. |

| Prop | Type | Required | Description |
| --- | --- | --- | --- |
| `thing` | [Thing](/business/nouns/thing) | Yes | The Thing whose history is listed. |