---
title: "left click · RUAL Documentation"
description: "Will execute event when element receives left-mouse-click."
canonical: https://docs.rual.nl/block-types/UI%20Component/clickevent_leftclick
language: en
---

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# left click

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

## Function Selection Required

This block requires you to choose a custom function to execute when triggered. You must manually select the function you want to use using the function selector modal. To access the modal, click the white button on the block.

Will execute event when element receives left-mouse-click.

- event `clickevent`

A typical wiring for [left click](https://docs.rual.nl/block-types/UI%2520Component/clickevent_leftclick): the `clickevent` out pin feeds [multiple](https://docs.rual.nl/block-types/UI%2520Component/clickevent_multiple).

[![Studio canvas example for the left click block: typical wiring for left click.](https://docs.rual.nl/canvas-examples/clickevent_leftclick.png)](https://docs.rual.nl/canvas-examples/clickevent_leftclick.png?v=3)

## Version history

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

- [Back to `UI Component`](https://docs.rual.nl/block-types/UI%20Component): Return to the main group to view all sub-groups

- [Back to `click event`](https://docs.rual.nl/block-types/UI%20Component?group=click%20event): Return to the group to view all blocks within this group

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