> ## Documentation Index
> Fetch the complete documentation index at: https://help.dingtalk.io/llms.txt
> Use this file to discover all available pages before exploring further.

# UUID

> The UUID function generates a random string and can be used across multiple YiDA scenarios, including Form, workflow design, and integration & automation. Use this function to generate a unique string for a single-line input Field.

**UUID** generates a random string.

## Supported Scenarios

The UUID Function is available in the following YiDA scenarios:

* Form (main Table Field)
* Form (business Association rules)
* Form (validation)
* Workflow design (validation rules)
* Workflow design (Association Action)
* Integration & automation
* Workflow node
* Connector

## Syntax

```text theme={"theme":{"light":"github-light","dark":"github-dark"}}
UUID()
```

## Return Value

| **Return type** | **Description**              |
| --------------- | ---------------------------- |
| Text            | The generated random string. |

## Try It Out

Generate a unique string and assign it to a single-line input Field.