---
title: "init(using:_:)"
framework: network
role: symbol
role_heading: Initializer
path: "network/framer/init(using:_:)-94t7p"
---

# init(using:_:)

Create a Framer protocol for use in a protocol stack.

## Declaration

```swift
init<BelowProtocol>(using framer: T.Type, @ProtocolStackBuilder<BelowProtocol> _ builder: () -> BelowProtocol) where BelowProtocol : MessageProtocol
```

## Parameters

- `builder`: The protocol stack below Framer.