# QES field

Use **QES field** to add a qualified electronic signature placeholder to a document.

You can place this field in:

* structured documents
* PDF documents
* external documents

### Add a QES field

1. Open the template in edit mode.
2. Open the **Fields** panel.
3. Find **QES field** and add it to the document.

<details>

<summary>Click to view the screenshot...</summary>

<figure><img src="https://docs.docstudio.com/en/latest/_images/qesTile.png" alt="QES field in the Fields panel" width="420"><figcaption></figcaption></figure>

</details>

4. Configure the field and click **Save**.

<details>

<summary>Click to view the screenshot...</summary>

<figure><img src="https://docs.docstudio.com/en/latest/_images/qesCreate.png" alt="QES field creation form" width="420"><figcaption></figcaption></figure>

</details>

### Field settings

Click the field in the document to reopen properties and update them.

#### Basic settings

* **Name** — field name shown in the document
* **Role name** — role that signs in this field
* **Placeholder** — hint text shown before signing; if empty, **Name** is used

#### Advanced settings

* **Qualified** — whether the signature is qualified
* **Required stamp** — whether a stamp is required for signing

#### TIN restriction

Use this option to restrict signing to a person with a specific TIN.

* **TIN** — enables the restriction (available only if the template has other fields)
* **Document** — document where the TIN field is located
* **TIN field** — field used for the TIN check


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