# Mode and Notification

## Execution Mode

* **Headless:** All the functionalities will execute in the backend in headless mode, which is invisible to you.
* **Non-Headless:** All the functionalities are visible when you execute on the browser. For example, opening the browser, tabs, loading the pages, etc.

Steps to execute the Testcases on Headless Mode:

1. On the **Execution** tab, open the **Execution List** and navigate to the **Configuration** window from the right panel.
2. Expand the **Mode and Notification** and enable the **Execution Mode** toggle to **Headless** to execute Testcases on client.

{% hint style="info" %}
**Note**: By default, the execution runs in **Non-Headless** mode.
{% endhint %}

<figure><img src="/files/8ILzwmOz7lGrof6O1Gu6" alt=""><figcaption></figcaption></figure>

## Email Notification

1. Enable **Email Notification** (Send notification toggle) and **Email Notification Configuration** pop-up appears.
2. Enter the receiver's email in textbox to specify who will receive the execution reports or notifications.

{% hint style="info" %}
**Note:** Multiple email addresses can be added by using commas (,).
{% endhint %}

3. Select **Save** to save the configuration.

<figure><img src="/files/fDQGKMlNxwUIEiWQSkZ7" alt=""><figcaption></figcaption></figure>

{% hint style="info" %}
**Note**: To modify the Email Configuration, select **Add Recipient**.
{% endhint %}

4. Enable **Include PDF Report** to send the execution reports to the specified user via Email.

<figure><img src="/files/EPKxgrZxUSjaQcUFRNZ8" alt=""><figcaption></figcaption></figure>

{% hint style="info" %}
**Note:** Once the execution is completed, the receiver will receive the test execution report at the specified email address. To know more about how the Email reports looks, refer to [Email Reports.](/avo-assure/working-with-the-avo-assure-platform/create-and-execute-tests-with-design-studio/working-with-reports-section/read-a-report.md#view-reports-through-mail)
{% endhint %}


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