> For the complete documentation index, see [llms.txt](https://docs.emobiq.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.emobiq.com/emobiq-client/006-actions-and-visual-logic/action-reference/react-native/control/delay.md).

# delay

## Description

Inserts a delay before executing another function.

## Input / Parameter

| Name       | Description                                               | Input Type | Default | Options     | Required |
| ---------- | --------------------------------------------------------- | ---------- | ------- | ----------- | -------- |
| duration   | The time before a function is executed. (In milliseconds) | Number     | -       | -           | Yes      |
| persistent | To still execute outside of the current page or not.      | Boolean    | False   | False, True | No       |
| extra      | The stored value that is passed to all the callbacks.     | Any        | -       | -           | No       |

## Output

Returns formatted information.

## Callback

### yesCallback

The callback will execute the function and returning boolean in input

## Example

In this example, We will put delay function to do `Log.write` message after 5 seconds.

### Steps

1. Drag a `button` component into the canvas and open the `Action` tab. Select the `press` event of the button and drag the `Control.delay` function to the event flow.

   ![](/files/4VVuL3kqCHvMRwlE7OlL)
2. Call the function `Control.delay`. Enter the parameters of the `Control.delay` function.

   ![](/files/eLAsnRw172FJYgtoHDgW)
3. Put `Log.write` below the `Control.delay`. Then put the value as "Delaying!".

   ![](/files/VdkfpZjuLATlpGLPGxY8)

### Result

1. The function will execute after 5 seconds. In this case to return "Delaying!".

   ![](/files/I7pgG6iyQQtEBipgHUW7)