> For the complete documentation index, see [llms.txt](https://docs.goaffpro.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.goaffpro.com/how-tos/manual-integration/custom-sdk-integration/sdk-settings/add-custom-javascript.md).

# Add Custom JavaScript

**GoAffPro** provides you with the option to add custom JavaScript to load along with the referral tracking script.

To add custom JavaScript, go to the **SDK Settings** section in the **Settings** tab of the GoAffPro admin panel.

<figure><img src="/files/VukXuheLFsplnQNHQqAk" alt=""><figcaption><p>Settings > SDK Settings</p></figcaption></figure>

Here, go to the Custom Javascript section.

<figure><img src="/files/NKCZk7HXLm9PgqiW1vLM" alt=""><figcaption><p>Custom Javascript</p></figcaption></figure>

Now, click on **Edit**.

<figure><img src="/files/GBQDWXVeLJnGJLw3gdb3" alt=""><figcaption><p>Click on Edit</p></figcaption></figure>

You can accordingly add custom JavaScript code.&#x20;

<figure><img src="/files/txgYa5ph68wTDdUlembo" alt=""><figcaption></figcaption></figure>