---
title: "switch · RUAL Documentation"
description: "Returns state based of the given expression."
canonical: https://docs.rual.nl/block-types/state%20ui/state_switch
language: en
---

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# switch

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

Returns state based of the given expression.

- expression required `value` The expression to evaluate.

- default `state` The default statement to be executed.

- output `state` Returns the state matching the expression.

- match `condition` Returns true in case a match was found.

A typical wiring for [switch](https://docs.rual.nl/block-types/state%2520ui/state_switch): the `state` out pin feeds [get component child](https://docs.rual.nl/block-types/state%2520actions/state_component_get_child).

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

## Version history

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

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

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

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