> For the complete documentation index, see [llms.txt](https://docs.overthereality.ai/over-sdk-manual/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.overthereality.ai/over-sdk-manual/ovr-component-system-ancient-legacy/triggers/ovruibutton.md).

# OvrUIButton

Subclass of Ovr.OvrNode

### Description

This trigger must be applied to a UI button. It causes the assigned [OvrNode](/over-sdk-manual/ovr-component-system-ancient-legacy/nodes/ovrnode.md) or list of [OvrNodes](/over-sdk-manual/ovr-component-system-ancient-legacy/nodes/ovrnode.md) to be executed when the button is clicked.

You can find more info regarding the Unity UI in [this](https://docs.unity3d.com/Packages/com.unity.ugui@1.0/manual/index.html) section.

#### Attributes

{% hint style="info" %}
**Note**: the following attributes are added to the existing ones from the super class [OvrNode](/over-sdk-manual/ovr-component-system-ancient-legacy/nodes/ovrnode.md)
{% endhint %}

<table><thead><tr><th width="205.7659040188865">Name</th><th width="150">Type</th><th width="340.1572968009442">Description</th></tr></thead><tbody><tr><td>Button</td><td>Button</td><td>Unity Button refence</td></tr><tr><td>Nodes</td><td><a href="/over-sdk-manual/ovr-component-system-ancient-legacy/nodes/ovrnode.md">OvrNode [ ]</a></td><td>Grouped <a href="/over-sdk-manual/ovr-component-system-ancient-legacy/nodes/ovrnode.md">OvrNodes</a>, to be executed in sequence.</td></tr></tbody></table>

![Example of OvrUIButton, in this case, target, is Instantiate on Button click.](https://content.gitbook.com/content/6xdubHTzJACGqFIM7yJy/blobs/EQY11mlZvgd0suq59CYI/buttonui.png)