> For the complete documentation index, see [llms.txt](https://doc.sysdevmobile.com/kalipso/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc.sysdevmobile.com/kalipso/6.0/documentation/controls/events/whenever-modified.md).

# Whenever Modified

This Event is triggered when you modify the content of the Control, for example, when the user changes the text of an Input Box.

{% hint style="info" %}
Modifications done by code like when using SetValue or RefreshControl, etc, may or may not trigger this event. That is indetermined and can change according to the OS.

This event is only guaranteed to be triggered when the user modifies the value manually.
{% endhint %}

#### Event available on the following operating systems

<figure><img src="https://1102213384-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FM6Wz3tBjSWbCweZ8NltT%2Fuploads%2FruABjDF2Z7iy255xGivq%2F01_Supported_OS.png?alt=media&amp;token=166f7395-72c9-406f-91f1-e41412516cba" alt="OS Supported: Android, iOS, Win, Win32"><figcaption></figcaption></figure>