# Dynamic Regions

`New-UDDynamic` allows you to define a dynamic region. Pages themselves are dynamic in nature. This means that every time a page is loaded, it runs the PowerShell for that page. Sometimes, you may want to reload a section of a page rather than the whole page itself. This is when you will want to use dynamic regions.

## Basic Dynamic Region

This dynamic region reloads when the button is clicked.

```
New-UDDashboard -Title "Hello, World!" -Content {
    New-UDDynamic -Id 'date' -Content {
        New-UDTypography -Text "$(Get-Date)"
    }

    New-UDButton -Text 'Reload Date' -OnClick { Sync-UDElement -Id 'date' }
}
```

![Reload on button click](/files/-MH1kdP3DzX7TPUJM5aW)

## Auto Refresh

Dynamic regions enable the ability to auto refresh components after a certain amount of time. The entire region's script block will be run when autorefreshing.

{% hint style="info" %}
If you have multiple related components that use the same data, consider putting them in the same dynamic region to improve performance.
{% endhint %}

```
    New-UDDynamic -Id 'date' -Content {
        New-UDTypography -Text "$(Get-Date)" -Variant h3
        New-UDTypography -Text "$(Get-Random)" -Variant h3
    } -AutoRefresh -AutoRefreshInterval 1
```

![Auto refresh dynamic region](/files/-MH1lb8O1Sr7jvmr22VJ)

## Loading Component

Sometimes refreshing a dynamic component may take some time. For example, if you are querying another service's REST API or a data. Dynamic regions support configuration of the component that shows when the region is reloading. By default, nothing is shown. This can be any Universal Dashboard component.

```
    New-UDDynamic -Content {
        Start-Sleep -Seconds 3
        New-UDTypography -Text "Done!"
    } -LoadingComponent {
        New-UDProgress -Circular
    }
```

![Loading component for dynamic region](/files/-MH1mcBy9s7oZECy02iE)

## API

### New-UDDynamic 

Defines a dynamic region on a page. 

| Name                | Type        | Description                                                                           | Required |
| ------------------- | ----------- | ------------------------------------------------------------------------------------- | -------- |
| Id                  | string      | Unique identifier for this region                                                     | false    |
| ArgumentList        | object\[]   | Arguments to pass to the region. Available within the -Content by using $ArgumentList | false    |
| Content             | ScriptBlock | The content to load within the dynamic region                                         | true     |
| AutoRefresh         | Switch      | Whether this dynamic region will refresh on an interval                               | false    |
| AutoRefreshInterval | int         | The number of seconds between auto refreshes.                                         | false    |
| LoadingComponent    | ScriptBlock | A component to display when the dynamic is loading                                    | false    |


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