Instance Method


Sends a close frame with the given close code and optional close reason.


func cancel(with closeCode: URLSessionWebSocketTask.CloseCode, reason: Data?)



A URLSessionWebSocketTask.CloseCode that indicates the reason for closing the connection.


Optional further information to explain the closing. The value of this parameter is defined by the endpoints, not by the standard.


If you call cancel() on the task instead of this method, it sends a cancellation frame with no close code or reason.

See Also

Closing the Connection

var closeCode: URLSessionWebSocketTask.CloseCode

A code that indicates the reason a connection closed.

enum URLSessionWebSocketTask.CloseCode

A code that indicates why a WebSocket connection closed.

var closeReason: Data?

A block of data that provides further information about why a connection closed.