# How to pass/append UTMs to the iframe?

To append UTMs to your links, simply add `utm-src` class to the iframe, and UTM Simple will append all the UTM parameters to your iframe URL.


For example:

```
<h2>iframe</h2>
<p><iframe class="utm-src" src="https://www.domain.com/?utm_source=googleiframe"></iframe></p>
```

[![](https://docs.utmsimple.com/uploads/images/gallery/2021-11/scaled-1680-/image-1635806104745.png)](https://docs.utmsimple.com/uploads/images/gallery/2021-11/image-1635806104745.png)