> For the complete documentation index, see [llms.txt](https://adminguidesgitbook.aerofiler.com.au/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://adminguidesgitbook.aerofiler.com.au/repository/fields/default-values/example-assign-based-on-custom-field.md).

# Example - Assign Based on Custom Field

The following video demonstrates how to set the "Assigned To" field based on a custom field "Project".

{% hint style="info" %}
Default values apply when new values are set. They do not apply retrospectively to values that were already set at the time of creating the default value.
{% endhint %}

{% embed url="<https://www.loom.com/share/36a8684ddaa34a1a8d47942324237da0>" %}
