# File

The ***file*** element is used to insert a packaged file in your block.

{% hint style="info" %}
 It can be used to upload folders which your users can visualize and download
{% endhint %}

File element **properties**:

* **Required**: if selected, this element becomes required and cannot be left empty
* **Size**: exact dimension of file in bites (if needed)
* **Min**: minimum dimension of file in bites
* **Max**: maximum dimension of file in bites
* **In**: define the file format, e.g. .zip, .ipa, .apk, etc.