---
title: kCFMessagePortTransportError
framework: corefoundation
role: symbol
role_heading: Global Variable
path: corefoundation/kcfmessageporttransporterror
---

# kCFMessagePortTransportError

An error occurred trying to send the message.

## Declaration

```swift
var kCFMessagePortTransportError: Int32 { get }
```

## See Also

### Constants

- [kCFMessagePortSuccess](corefoundation/kcfmessageportsuccess.md)
- [kCFMessagePortSendTimeout](corefoundation/kcfmessageportsendtimeout.md)
- [kCFMessagePortReceiveTimeout](corefoundation/kcfmessageportreceivetimeout.md)
- [kCFMessagePortIsInvalid](corefoundation/kcfmessageportisinvalid.md)
- [kCFMessagePortBecameInvalidError](corefoundation/kcfmessageportbecameinvaliderror.md)