> ## Documentation Index
> Fetch the complete documentation index at: https://help.dingtalk.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Signature

> User Guide for the Signature component, designed for quick electronic signatures on mobile devices. Ideal for scenarios such as customer information confirmation at car dealerships and PCR test information submissions during the pandemic. Supports Basic Attribute configuration and reuse of the previous signature.

## 1. Basic Introduction

### 1.1 What Is the Signature Component

A Component that enables quick electronic signatures on mobile devices.

### 1.2 Use Cases

* Submit Data on a mobile phone or iPad with an electronic Signature as a Form Credential for business entries, such as customer information Confirmation at car dealerships.
* Official document application systems, such as PCR test information submissions and return-home applications during the pandemic.

## 2. Features and Attributes

* The Signature component currently supports only Basic Attribute configuration, as shown below:

Signature component

**Note**: The **Reuse last signature** option is available in the attributes. When enabled, the previous Signature is applied by default on the next signing. To change the Signature, tap **Rewrite signature**.

## 3. Preview

* Signature Video demo