---
title: "MACaptionAppearanceIsCustomized(_:)"
framework: mediaaccessibility
role: symbol
role_heading: Function
path: "mediaaccessibility/macaptionappearanceiscustomized(_:)"
---

# MACaptionAppearanceIsCustomized(_:)

## Declaration

```swift
func MACaptionAppearanceIsCustomized(_ domain: MACaptionAppearanceDomain) -> Bool
```

## Parameters

- `domain`: Preference domain, see @link MACaptionAppearanceDomain @/link.

## Return Value

Return Value A boolean indicating if the currently-active style has been customized by the user

## Discussion

Discussion Provides a boolean indicating if the currently-active style has been customized by the user. This is useful for some clients who may need different fallback strategies for customized styles vs system-default styles.