> For the complete documentation index, see [llms.txt](https://developers.discountninja.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developers.discountninja.io/discount-ninja-developer-hub/storefront-api/promotion-engine/enable.md).

# Enable

## Open the theme editor <a href="#h_4f91f739ed" id="h_4f91f739ed"></a>

1. Open the *Sales channels* section in the Shopify admin, then find *Online Store* and click *Themes*:

   <figure><img src="/files/64snexyjgLow7GhyOlFk" alt=""><figcaption><p>Sales channels menu section</p></figcaption></figure>
2. Find the theme you want to customize and click the *Customize* button for that theme:

   <figure><img src="/files/ZWNjZh4TsiQvHkhYPUhA" alt=""><figcaption><p>Customize theme</p></figcaption></figure>
3. The theme editor opens.
4. In the sidebar on the left, click *App embeds*. \
   If you can't find Discount Ninja in the list, type Discount Ninja in the search bar (where it says "Search app embeds"').

## Enable the App embed <a href="#h_7b073dc2be" id="h_7b073dc2be"></a>

1. Switch the toggle on
2. Click the "Save" button

   [![](https://downloads.intercomcdn.com/i/o/836619213/33d486c5f04fbd348b511ab4/image.png)](https://downloads.intercomcdn.com/i/o/836619213/33d486c5f04fbd348b511ab4/image.png)