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# resolveAttribute(for:with:)

Resolves the attribute to apply to the messages.

```
optional func resolveAttribute(for intent: INSetMessageAttributeIntent, with completion: @escaping @Sendable (INMessageAttributeResolutionResult) -> Void)
```

## Parameters

`intent`

The intent object that contains details about the user’s request. Use this object to get the initial information, if any, provided by the user.

`completion`

The block to execute with the resolution. You must execute this block while implementing this method. This block has no return value and takes the following parameter:

- resolutionResult: The object that contains the details of your proposed resolution. For successful resolutions, create a resolution object that contains the [`INMessageAttribute`](/documentation/Intents/INMessageAttribute) value that you plan to apply to the messages. If your app does not support modifications to the specified attribute, return a successful resolution and use your response object to report the failure when handling the intent.

## Discussion

This method resolves the attribute to apply to the messages.

---

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