# Set header template

This is a pre-built action located under the **WebService List Element**. The functionality of this action in Avo Assure is to fill the input field with the value from the header in the stored template and apply it to the web service request. This ensures that required headers are set dynamically from a predefined template.

### **Syntax**

**Input Value:** `N/A`

| Argument | Description    |
| -------- | -------------- |
| N/A      | Not Applicable |

**Output Value**

| Argument | Description    |
| -------- | -------------- |
| N/A      | Not Applicable |

**Example**

**Sets a Header Template for a WebService Call**

The **Set Header Template** action does not require any value from the Input Value column. It applies a predefined header template to the web service request.

<figure><img src="/files/yUEf01gDpitu7dRu3ez6" alt=""><figcaption></figcaption></figure>


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