> ## Documentation Index
> Fetch the complete documentation index at: https://openrouter-d02e98a0-mintlify-5b6e02fd.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# FormatEnum - Go SDK

> FormatEnum type definition

<Warning>
  The Go SDK and docs are currently in beta.
  Report issues on [GitHub](https://github.com/OpenRouterTeam/go-sdk/issues).
</Warning>

## Example Usage

```go lines theme={null}
import (
	"github.com/OpenRouterTeam/go-sdk/models/components"
)

value := components.FormatEnumMp3

// Open enum: custom values can be created with a direct type cast
custom := components.FormatEnum("custom_value")
```

## Values

| Name            | Value |
| --------------- | ----- |
| `FormatEnumMp3` | mp3   |
| `FormatEnumWav` | wav   |