# callback

## Description

This function is used to trigger a flow of actions.

## Input / Parameter

| Name  | Description                                                                 | Input Type | Default | Options | Required |
| ----- | --------------------------------------------------------------------------- | ---------- | ------- | ------- | -------- |
| value | The value to be returned by the 'callback'.                                 | Any        | -       | -       | Yes      |
| extra | The value to be included to the 'callback' as a system value under 'extra'. | Any        | -       | -       | No       |

## Output

N/A

## Callback

### yesCallback

The function to be executed immediately.

| Description          | Output Type |
| -------------------- | ----------- |
| Returns the 'value'. | Any         |

## Video

Coming Soon.

## Example

### Steps

1. First we add the `callback` function with "value" of the `console` function. Then we add the value we wish to pass to the console function, which in this case is the string "This is a callback".

   ![](https://399701567-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FwmJ1RKjM2uNFaL6fO3Xu%2Fuploads%2Fgit-blob-e458236713894880e7206a44b0b9690093d651c9%2Fcallback-step-1.png?alt=media) ![](https://399701567-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FwmJ1RKjM2uNFaL6fO3Xu%2Fuploads%2Fgit-blob-a952e3ed1ef76c7140a645dc7b472b01482080cc%2Fcallback-step-2.png?alt=media)

### Result

![](https://399701567-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FwmJ1RKjM2uNFaL6fO3Xu%2Fuploads%2Fgit-blob-30c9ea66387bc0476472a209e218c15f976b9a81%2Fcallback-result-1.png?alt=media)

## Links