---
title: "delay ms · RUAL Documentation"
description: "generate a delay in milliseconds"
canonical: https://docs.rual.nl/block-types/timers/function_timer_ms
language: en
---

# delay ms

This block is part of the [`timers`](https://docs.rual.nl/block-types/timers) group and was last modified in core [`v15.0.0`](https://docs.rual.nl/core-versions/150000).

generate a delay in milliseconds

- flow `flow`

- wait (ms) required `number`

- flow `flow`

| `timer` |
| --- |
| `timeout` |
| `time out` |
| `sleep` |
| `wait` |
| `delay` |

A typical wiring for [delay ms](https://docs.rual.nl/block-types/timers/function_timer_ms): a [function trigger](https://docs.rual.nl/block-types/globals/trigger_custom_function) starts the flow; the `flow` out pin feeds [debug](https://docs.rual.nl/block-types/state%20ui/state_debug).

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

### Version history

Introduced in [`v15.0.0`](https://docs.rual.nl/core-versions/150000).