# UUID V4

Generates UUID V4. UUID V4 lives in the **Custom** category of the `fx` menu.

## Parameter

| Parameter | Type   | Required | Default | Description                                            |
| --------- | ------ | -------- | ------- | ------------------------------------------------------ |
| Input     | string | yes      | —       | Value to transform. Previous step output or a literal. |

`Input` is the primary value (previous step output or a literal).

## Returned value

| Type     | Description                           |
| -------- | ------------------------------------- |
| `string` | Result of the UUID V4 transformation. |

## Example

<details>
<summary>Generate a UUID v4</summary>

Create a random UUID version 4 string for IDs in a flow.

1. Add **UUID V4** with no special input required.

2. Confirm **Output value** is a UUID such as `xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx`.

</details>