---
url: /reference/OutputOptions.postFooter.md
---
# postFooter

* **Type**: `string` | ((`chunk`) => `string` | `Promise`<`string`>)
* **Optional**

A string to append to the bundle after [`renderChunk`](Interface.Plugin.md#renderchunk) hook and minification.

See [`output.footer`](./OutputOptions.footer), [`output.outro`](./OutputOptions.outro) as well.

## Examples

### Build timestamp

```js
export default {
  output: {
    minify: true,
    postFooter: `/* built: ${Date.now()} */`,
  },
};
```