# Array slice

Returns a portion of an array selected from start to end (end not included) where start and end represent the index of items in that array. Array slice lives in the **Array** category of the `fx` menu.

## Parameters

| Parameter | Type   | Required | Default | Description                                                                 |
| --------- | ------ | -------- | ------- | --------------------------------------------------------------------------- |
| Input     | string | yes      | —       | Value to transform. Previous step output or a literal.                      |
| Start     | number | yes      | `0`     | Zero-based index at which to start extraction. Negative values are allowed. |
| End       | number | no       | —       | Zero-based index at which to end extraction (end not included)              |

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

## Returned value

| Type     | Description                               |
| -------- | ----------------------------------------- |
| `string` | Result of the Array slice transformation. |

## Limitations

- Array arguments must be valid JSON arrays. Invalid JSON or non-array values raise an error.

## Example

<details>
<summary>Run Array slice</summary>

Returns a portion of an array selected from start to end (end not included) where start and end represent the index of items in that array. Adjust optional parameters when the defaults do not match your payload.

1. Set **Input** to the value to transform (previous step output or a literal).

2. Review **Start**, **End** and keep defaults unless your format requires otherwise.

3. Confirm **Output value** shows the transformed result.

</details>