# Custom Code

{% hint style="info" %}
**Block Information**

Available in: Page Flow and Cloud Flow

Toolbox Category: Advanced

Block Type: [Regular](/app-editor/page-flow/block-anatomy.md#regular-block)
{% endhint %}

The **`Custom Code`** block allows you to write and execute custom or proprietary [Javascript](https://en.wikipedia.org/wiki/JavaScript) code, which will be included as-is in the Page Flow or the Cloud Flow at the logical location where the block is placed.

<div align="left"><figure><img src="/files/1QrVKNoxvWhskhs40sVd" alt="" width="431"><figcaption><p>Custom Code block</p></figcaption></figure></div>

The block consists of a [Selectable Input](/app-editor/page-flow/block-anatomy.md#selectable-input) to bring up a Javascript text editor to write your code as shown below:

<figure><img src="/files/LiVaEDmtHcklWmXmkEDE" alt=""><figcaption><p>Custom Code Editor window</p></figcaption></figure>

***

## Page Flow

For more information about usage of this block inside Page Flow, please see [Coding in Page Flow](/app-editor/page-flow/coding-in-page-flow.md) .

## Cloud Flow

{% hint style="warning" %}
For Cloud Flow,  the **`Custom Code`** block is functional in Business or higher edition apps. This block can be tested in the Standard edition.
{% endhint %}

For more information about usage of this block inside Cloud Flow, please see [Coding in Cloud Flow](/app-editor/cloud-flow/coding-in-cloud-flow.md) .


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