> For the complete documentation index, see [llms.txt](https://docs.emobiq.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.emobiq.com/emobiq-server/005-function/control/control.map.md).

# Control.map

## Description

Loops through all the elements in a list to apply a specific operation to each element. Example: Loop through a list of numbers to square (operation to be applied) every number.

## Input / Parameter

| Name  | Description                                           | Input Type | Default | Options | Required |
| ----- | ----------------------------------------------------- | ---------- | ------- | ------- | -------- |
| data  | The list of elements to be looped through.            | List       | -       | -       | Yes      |
| extra | The stored value that is passed to all the callbacks. | Any        | -       | -       | No       |

## Output

| Description                        | Output Type |
| ---------------------------------- | ----------- |
| Returns the formatted information. | Object      |

### Object

| Key     | Description                                                             | Output Type |
| ------- | ----------------------------------------------------------------------- | ----------- |
| success | Boolean value to denote whether the function was executed successfully. | Text        |
| message | The message to print.                                                   | Text        |
| data    | Any additional message or data to print.                                | Text        |

## Callback

### callback

The action performed if this function runs successfully.

| Description                                             | Output Type |
| ------------------------------------------------------- | ----------- |
| Returns the current value of the current looped record. | Any         |

## Video

Coming Soon.

## Example

Coming Soon.

### Steps

Coming Soon.

### Result

Coming Soon.

## Links