---
url: /process-functions/datasource-base64Bytes.md
description: Decodes a base64 encoded string and returns it as a byte array.
---

# datasource.base64Bytes 

Decodes a base64 encoded string and returns it as a byte array.

```js
datasource.base64Bytes(base64)
```

#### Parameters

* `base64` (string): The base64 encoded string you want to decode.

#### Returns

* `array`: A byte array resulting from the decoding of the provided base64 string.

#### Examples

```js
var myBase64String = "SGVsbG8gV29ybGQ="; // Hello World
var decodedBytes = datasource.base64Bytes(myBase64String);

// DecodedBytes would be a byte array of the following in this example.
// [72, 101, 108, 108, 111, 32, 87, 111, 114, 108, 100]
```