---
title: Device Property Extension
---


## Features Introduction

### Prerequisites

#### Applicable Scope

This extension is implemented based on network interfaces, does not depend on devices being online, and supports operations when devices are offline. There are no requirements regarding the IDE version. It is suitable for devices of all categories and protocols.

#### Applicable Scenarios

- The interfaces setDeviceProperty / getDeviceProperty / saveDevProperty / saveDevProperty / getGroupProperty / setGroupProperty are used in the business to cache business data, and these data need to be managed.
- The business cache contains a large amount of data. Debugging is required, or you need to view, modify, or delete the data.
- Create test data before business development. Manage test data.

### Features

- View device/group attributes
- Modify device/group attributes
- Delete device/group attributes

## Usage Process

### Installation

1. In Tuya MiniApp Tools, open the device tool, authorize login, and select a device from the device list. Click to enter the device page.

<Image src="https://images.tuyaus.com/content-platform/hestia/17304287706174b3ed515.png" style={{zoom:'50%'}} />

2. On the device page, click on 'Extension Management' in the top right corner to enter the extension market.

<Image src="https://images.tuyaus.com/content-platform/hestia/173042875702b6e3cf658.png"  style={{zoom:'50%'}} />

3. In the extension market, find '设备数据存储扩展' and click install.

<Image src="https://images.tuyaus.com/content-platform/hestia/17304287143fa6687de45.png"  style={{zoom:'50%'}} />

### Usage

1. After successful installation, a 'Device Property Manager' entry will appear in the top navigation bar on the device page.

<Image src="https://images.tuyaus.com/content-platform/hestia/1730428628a660e87417b.png"  style={{zoom:'50%'}} />

2. Click on 'Device Property Manager' to enter the device storage management page.

3. On the device property management page, you can view device properties, modify device properties, and delete device properties.
<Image src="https://images.tuyacn.com/content-platform/hestia/1730428609c5e92a2d815.png"  style={{zoom:'50%'}} />
<br/>
<Image src="https://images.tuyaus.com/content-platform/hestia/17304285954654eef9fdd.png"  style={{zoom:'50%'}} />

## Precautions

1. Data is bound to the device, and data will be lost after the device is reset.
2. In cases where the data usage logic is unclear, please do not delete or modify online data at will, to avoid affecting business logic.

## Release Notes

### v0.0.3

Release Date: 2024-06-22

- Fix known issues; 
- Add page refresh function

### v0.0.2

Release Date: 2024-06-21

- Fix known issues
- Optimize multilingual support


### v0.0.1

Release Date: 2024-06-20

First version release

- Implement the function to view, modify, and delete device properties
- Implement the function to view, modify, and delete group properties