# ConnectablePublisher A publisher that provides an explicit means of connecting and canceling publication. ``` protocol ConnectablePublisher : Publisher ``` ## Overview Use a [`ConnectablePublisher`](/documentation/Combine/ConnectablePublisher) when you need to perform additional configuration or setup prior to producing any elements. This publisher doesn’t produce any elements until you call its [`connect()`](/documentation/Combine/ConnectablePublisher/connect()) method. Use [`makeConnectable()`](/documentation/Combine/Publisher/makeConnectable()) to create a [`ConnectablePublisher`](/documentation/Combine/ConnectablePublisher) from any publisher whose failure type is . ## Topics ### Performing explicit connections [`connect()`](/documentation/Combine/ConnectablePublisher/connect()) Connects to the publisher, allowing it to produce elements, and returns an instance with which to cancel publishing. ### Connecting automatically [`autoconnect()`](/documentation/Combine/ConnectablePublisher/autoconnect()) Automates the process of connecting or disconnecting from this connectable publisher. --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)