---
title: "localizedString(forKey:)"
framework: contacts
role: symbol
role_heading: Type Method
path: "contacts/cninstantmessageaddress/localizedstring(forkey:)"
---

# localizedString(forKey:)

Returns a string containing the localized property name.

## Declaration

```swift
class func localizedString(forKey key: String) -> String
```

## Parameters

- `key`: The address property key. Specify doc://com.apple.contacts/documentation/Contacts/CNInstantMessageAddressUsernameKey or doc://com.apple.contacts/documentation/Contacts/CNInstantMessageAddressServiceKey.

## Return Value

Return Value A string containing the localized property name.

## See Also

### Getting Localized Address Information

- [CNInstantMessageAddressUsernameKey](contacts/cninstantmessageaddressusernamekey.md)
- [CNInstantMessageAddressServiceKey](contacts/cninstantmessageaddressservicekey.md)