# init(receiving:sending:using:_:) Create a Coder protocol ``` init(receiving: Receiving.Type, sending: Sending.Type, using: CoderType, @ProtocolStackBuilder _ builder: () -> BelowProtocol) where BelowProtocol : DatagramProtocol ``` ## Parameters `receiving` The Codable type that will be received. `sending` The Codable type that will be sent. `using` The NetworkCoder that will be used to encode and decode. `builder` The protocol stack below Coder. --- 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)