# Phase 4: Test Impact Analysis (TIA)

{% hint style="info" %}
If you do not already have TIA enabled for your project, please reach out to your CSM or Solutions Architect before following the steps on this page.
{% endhint %}

Test Impact Analysis (TIA) settings is designed to empower you to tailor TIA behavior to your specific project needs, resulting in increased efficiency.

### How to Enable TIA <a href="#how-it-works" id="how-it-works"></a>

TIA is enabled from the Test Optimization page in the [SeaLights UI. ](https://docs.sealights.io/knowledgebase/whats-new/october-2024/enhanced-tia-settings)


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