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# MultipeerConnectivity Enumerations

## Topics

### Enumerations

[`enum MCEncryptionPreference`](/documentation/MultipeerConnectivity/MCEncryptionPreference)

Indicates whether a session should use encryption when communicating with nearby peers.

[`enum Code`](/documentation/MultipeerConnectivity/MCError/Code)

Error codes found in [`MCErrorDomain`](/documentation/MultipeerConnectivity/MCErrorDomain) error domain `NSError` objects returned by methods in the Multipeer Connectivity framework.

[`enum MCSessionSendDataMode`](/documentation/MultipeerConnectivity/MCSessionSendDataMode)

Indicates whether delivery of data should be guaranteed.

[`enum MCSessionState`](/documentation/MultipeerConnectivity/MCSessionState)

Indicates the current state of a given peer within a session.


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