# Customer Extension Data

{% hint style="info" %}
Customer Extension Data is an advanced feature of Adaptiva. Please reach out to our [Support Team](https://adaptiva.com/support) for additional assistance.
{% endhint %}

![](/files/fWwhq0MVnyuU5gXnRL7G)

**Customer Extension Data** fields relate directly to fields in a customized template. If you do not have customized templates with key/value pairs you can modify, you do not need to configure or use this feature.

If you want to create customized templates that use key/value pairs for some settings, contact [Adaptiva Customer Support](https://www.adaptiva.com/support).


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