---
schema_version: "1"
id: 15398ade47fb07ba0d876eb92169de741c710890ef4488c50e66ae5b1f1424e4
title: uuid
collection: mulesoft
version: current
locale: en-us
portal_url: https://docs.salesforce.com/mulesoft/current/en-us/dataweave/2.11/dw-core-functions-uuid.md
canonical_url: https://docs.mulesoft.com/dataweave/2.11/dw-core-functions-uuid
source_site: docs.mulesoft.com
content_type: documentation
content_hash: 56ee25f5e77ed34a29d306cc759943f59431f6ff2fb05e7a00f86bd11e67cadf
description: MuleSoft Documentation Site
release: "2.11"
latest: false
---
---
product: DataWeave
version: 2.11
---

# uuid

> For the full documentation index, see: https://docs.mulesoft.com/llms.txt

## uuid(): String

Returns a v4 UUID using random numbers as the source.

### Example

This example generates a random v4 UUID.

#### Source

```DataWeave
%dw 2.0
output application/json
---
uuid()
```

#### Output

```JSON
"7cc64d24-f2ad-4d43-8893-fa24a0789a99"
```