---
title: "stopTransmitting(channelUUID:)"
framework: pushtotalk
role: symbol
role_heading: Instance Method
path: "pushtotalk/ptchannelmanager/stoptransmitting(channeluuid:)"
---

# stopTransmitting(channelUUID:)

Stops an audio transmission with the channel identifer you specify.

## Declaration

```swift
func stopTransmitting(channelUUID: UUID)
```

## Parameters

- `channelUUID`: The channel identifier.

## Mentioned in

Creating a Push to Talk app

## Discussion

Discussion If successful, you receive a callback from channelManager(_:channelUUID:didEndTransmittingFrom:) with PTChannelTransmitRequestSource.programmaticRequest; otherwise, you receive a failure reason through channelManager(_:failedToStopTransmittingInChannel:error:).

## See Also

### Starting and stopping transmission

- [requestBeginTransmitting(channelUUID:)](pushtotalk/ptchannelmanager/requestbegintransmitting(channeluuid:).md)
- [setAccessoryButtonEventsEnabled(_:channelUUID:completionHandler:)](pushtotalk/ptchannelmanager/setaccessorybuttoneventsenabled(_:channeluuid:completionhandler:).md)