---
title: "encode(to:)"
framework: swift
role: symbol
role_heading: Instance Method
path: "swift/rawrepresentable/encode(to:)-172ut"
---

# encode(to:)

Encodes this value into the given encoder, when the type’s RawValue is Int128.

## Declaration

```swift
func encode(to encoder: any Encoder) throws
```

## Parameters

- `encoder`: The encoder to write data to.

## Discussion

Discussion This function throws an error if any values are invalid for the given encoder’s format.