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show how to send media from Buffer #86

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20 changes: 19 additions & 1 deletion src/guide/creating-your-bot/handling-attachments.md
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Expand Up @@ -85,6 +85,24 @@ client.on('message', async (msg) => {
});
```

### Sending Files from a Buffer

You can also manipulate data from other formats and create a new MessageMedia object:

```javascript
const { MessageMedia } = require('whatsapp-web.js');

client.on('message', async (msg) => {
if (msg.body === '!send-media') {
// Create an buffer object
const someBuffer = Buffer.from(...);

const media = new MessageMedia('mime/type', someBuffer.toString("base64"));
await client.sendMessage(msg.from, media);
}
});
```

### Caveat for Sending Videos and GIFs

Whatsapp-web.js uses [Puppeteer](https://github.com/Puppeteer/Puppeteer), which comes bundled with the Chromium browser, an open source version of the popular Google Chrome browser. Since AAC and H.264 are licensed formats, they are not supported by Chromium. More info on this can be found on the [Puppeteer documentation](https://developer.chrome.com/docs/puppeteer/faq#what_features_does_puppeteer_not_support).
Expand All @@ -103,4 +121,4 @@ The `executablePath` value will depend on your OS and install location for Chrom

* **macOS:** `/Applications/Google Chrome.app/Contents/MacOS/Google Chrome`
* **Windows**: `C:\\Program Files (x86)\\Google\\Chrome\\Application\\chrome.exe`
* **Linux:** `/usr/bin/google-chrome-stable`
* **Linux:** `/usr/bin/google-chrome-stable`