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# CNPostalAddressPropertyAttribute

An attribute that identifies the purpose of a range of characters in an attributed string.

```
let CNPostalAddressPropertyAttribute: String
```

## Discussion

The value of this key is a string constant that specifies the meaning of the range of characters. For example, the value is [`CNPostalAddressCityKey`](/documentation/Contacts/CNPostalAddressCityKey) when the characters specify the city portion of the address.

---

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