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# reportNewIncomingCall(with:update:completion:)

Reports a new incoming call with the specified unique identifier to the provider.

```
func reportNewIncomingCall(with UUID: UUID, update: CXCallUpdate, completion: @escaping @Sendable ((any Error)?) -> Void)
```

## Parameters

`UUID`

The unique identifier of the call.

`update`

The information for the call.

`completion`

A block to be executed once the call is allowed or disallowed by the system. The block is executed on the delegate queue set by the [`setDelegate(_:queue:)`](/documentation/CallKit/CXProvider/setDelegate(_:queue:)) method, or on a private serial queue if none is specified.

- error: If an error occurred, an error object indicating that the call was disallowed by the system, otherwise `nil`.

## Discussion

> Important:
> You can call this method from synchronous code using a completion handler, as shown on this page, or you can call it as an asynchronous method that has the following declaration:
> 
> ```swift
> func reportNewIncomingCall(with UUID: UUID, update: CXCallUpdate) async throws
> ```
> 
> For information about concurrency and asynchronous code in Swift, see <doc://com.apple.documentation/documentation/Swift/calling-objective-c-apis-asynchronously>.

An incoming call may be disallowed by the system if, for example, the caller handle is blocked, or the user has Do Not Disturb enabled.

---

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