---
name: "getDeviceNumWithDpCode"
mode: "kit"
versionRequirements:
  - { name: "DeviceKit", version: "2.4.0" }
  - { name: "@ray-js/ray", version: "0.6.23" }
platform:
  - "iOS"
  - "Android"
async: true
---

## getDeviceNumWithDpCode

> [VERSION] DeviceKit >= 2.4.0 | @ray-js/ray >= 0.6.23

> [PLATFORM] iOS, Android

> ⚡ **Supports Promise** — Returns a Promise when success / fail / complete callbacks are omitted.

### Description

Get the count of devices in the group that have the specified dpCode. If it is a shared group, obtain it via the API.

### Parameters

| Property | Type | Required | Default | Since | Description |
| --- | --- | --- | --- | --- | --- |
| `groupId` | `string` | Yes | - | `2.4.0` | groupId Group ID |
| `dpCode` | `string` | Yes | - | `2.4.0` | dpCode value |
| `complete` | `() => void` | No | - | - | Completion callback (executed on both success and failure) |
| `success` | `(params: Object) => void` ↓see below | No | - | - | Callback on successful API call |
| `fail` | `(params: Object) => void` ↓see below | No | - | - | Failure callback |

#### success callback parameters

| Property | Type | Since | Description |
| --- | --- | --- | --- |
| `groupId` | `string` | `3.3.0` | groupId Group ID |
| `deviceNum` | `number` | `4.13.1` | deviceNum Device count |
| `devieNum` | `number` | `3.3.0` | devieNum Device count |

#### fail callback parameters

| Property | Type | Description |
| --- | --- | --- |
| `errorMsg` | `string` | Error message |
| `errorCode` | `string \| number` | Error code |
| `innerError` | `Object` | Error extension |

##### fail(params).innerError properties

| Property | Type | Description |
| --- | --- | --- |
| `errorCode` | `string \| number` | Error extension code |
| `errorMsg` | `string` | Error extension message |


### Examples

#### Basic usage

```tsx
import { device } from '@ray-js/ray'

const { getDeviceNumWithDpCode } = device;

getDeviceNumWithDpCode({
  groupId: 'example',
  dpCode: 'switch_led',
  success: (result) => {
    console.log('getDeviceNumWithDpCode success', result);
  },
  fail: (error) => {
    console.log('getDeviceNumWithDpCode fail', error.errorMsg);
  },
});
```