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

# Get Unique Items

> Remove duplicate values while keeping their first occurrence.

## Input

| Input    | Type | Required | Description                        |
| -------- | ---- | -------- | ---------------------------------- |
| **List** | List | No       | The source list. Defaults to `[]`. |

## Output

| Output     | Type | Description                         |
| ---------- | ---- | ----------------------------------- |
| **Unique** | List | The first occurrence of each value. |

Primitive values such as strings and numbers are deduplicated by value.
Objects and nested lists are duplicates only when they refer to the same
runtime value.