> ## Documentation Index
> Fetch the complete documentation index at: https://docs.crossmint.com/llms.txt
> Use this file to discover all available pages before exploring further.

# CheckoutTabRule.Companion

> Kotlin Object

**Object**

```kotlin theme={null}
companion object
```

## Deprecated

### ~~invoke~~

> [!WARNING]
>
> Deprecated. Pass cornerRadius as a CheckoutLength, for example CheckoutLength.px(8) or CheckoutLength.custom("8px").

```kotlin theme={null}
operator fun invoke(borderRadius: String? = null, font: CheckoutFontStyle? = null, colors: CheckoutColorStyle? = null, hover: CheckoutStateStyle? = null, selected: CheckoutStateStyle? = null): CheckoutTabRule
```

Creates a tab rule with a CSS string for the corner radius.