terraform/website/docs/language/functions/distinct.mdx

---
page_title: distinct - Functions - Configuration Language
description: The distinct function removes duplicate elements from a list.
---

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# `distinct` Function

`distinct` takes a list and returns a new list with any duplicate elements
removed.

The first occurrence of each value is retained and the relative ordering of
these elements is preserved.

## Examples

```
> distinct(["a", "b", "a", "c", "d", "b"])
[
  "a",
  "b",
  "c",
  "d",
]
```