---
title: TopLevelEncoder
framework: combine
role: symbol
role_heading: Protocol
path: combine/toplevelencoder
---

# TopLevelEncoder

A type that defines methods for encoding.

## Declaration

```swift
protocol TopLevelEncoder
```

## Topics

### Declaring supporting types

- [Output](combine/toplevelencoder/output.md)

### Encoding

- [encode(_:)](combine/toplevelencoder/encode(_:).md)

## See Also

### Encoders and Decoders

- [TopLevelDecoder](combine/topleveldecoder.md)