---
title: "warning · RUAL Documentation"
description: "RUAL studio functions block."
canonical: https://docs.rual.nl/block-types/studio functions/comment_warning_icon
language: en
---

# warning

This block is part of the [`studio functions`](https://docs.rual.nl/block-types/studio%20functions) group and was last modified in core [`v10.4.28`](https://docs.rual.nl/core-versions/100428).

[warning](https://docs.rual.nl/block-types/studio%20functions/comment_warning_icon) needs no wired pins for a minimal setup; it is configured on the block itself.

![Studio canvas example for the warning block: typical wiring for warning.](https://docs.rual.nl/canvas-examples/comment_warning_icon.png)

### Version history

Introduced in [`v10.4.28`](https://docs.rual.nl/core-versions/100428).