***
title: "AddActionBarItem"
generated: true
---------------
Adds a button to the ActionBar at the top right of each list or detail view. The locationId can
be determined by pressing `ctrl + u` when running the Admin UI in dev mode.
*Example*
```ts title="providers.ts"
export default [
addActionBarItem({
id: 'print-invoice',
label: 'Print Invoice',
locationId: 'order-detail',
routerLink: ['/extensions/invoicing'],
}),
];
```
```ts title="Signature"
function addActionBarItem(config: ActionBarItem): void
```
Parameters
### config
\ActionBarItem`} />