---
title: "addAppMetadata"
summary: "@slack/webhook / addAppMetadata"
url: "https://docs.slack.dev/tools/node-slack-sdk/reference/webhook/functions/addAppMetadata"
type: "guide"
---

Source: https://docs.slack.dev/tools/node-slack-sdk/reference/webhook/functions/addAppMetadata

[@slack/webhook](https://docs.slack.dev/tools/node-slack-sdk/reference/webhook.md) / addAppMetadata

# Function: addAppMetadata()

```
function addAppMetadata(__namedParameters): void;
```

Defined in: [packages/webhook/src/instrument.ts:24](https://github.com/slackapi/node-slack-sdk/blob/main/packages/webhook/src/instrument.ts#L24)

Appends the app metadata into the User-Agent value

## Parameters {#parameters}

### __namedParameters {#__namedparameters}

#### name {#name}

`string`

#### version {#version}

`string`

## Returns {#returns}

`void`