---
title: MCError.Code
framework: multipeerconnectivity
role: symbol
role_heading: Enumeration
path: multipeerconnectivity/mcerror/code
---

# MCError.Code

Error codes found in MCErrorDomain error domain NSError objects returned by methods in the Multipeer Connectivity framework.

## Declaration

```swift
enum Code
```

## Topics

### Constants

- [MCError.Code.unknown](multipeerconnectivity/mcerror/code/unknown.md)
- [MCError.Code.notConnected](multipeerconnectivity/mcerror/code/notconnected.md)
- [MCError.Code.invalidParameter](multipeerconnectivity/mcerror/code/invalidparameter.md)
- [MCError.Code.unsupported](multipeerconnectivity/mcerror/code/unsupported.md)
- [MCError.Code.timedOut](multipeerconnectivity/mcerror/code/timedout.md)
- [MCError.Code.cancelled](multipeerconnectivity/mcerror/code/cancelled.md)
- [MCError.Code.unavailable](multipeerconnectivity/mcerror/code/unavailable.md)

### Initializers

- [init(rawValue:)](multipeerconnectivity/mcerror/code/init(rawvalue:).md)

## Relationships

### Conforms To

- [BitwiseCopyable](swift/bitwisecopyable.md)
- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [RawRepresentable](swift/rawrepresentable.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### Constants

- [MCSessionSendDataMode](multipeerconnectivity/mcsessionsenddatamode.md)
- [MCSessionState](multipeerconnectivity/mcsessionstate.md)
- [MCEncryptionPreference](multipeerconnectivity/mcencryptionpreference.md)
- [Multipeer Connectivity Error Domain](multipeerconnectivity/multipeer_connectivity_error_domain.md)
- [Minimum and Maximum Supported Peers](multipeerconnectivity/minimum_and_maximum_supported_peers.md)