# OtlpProtocol

- Module: [Aspire.Hosting](/reference/api/typescript/aspire.hosting.md)
- Version: `13.2.0`
- Kind: `enum`
- Source: [GitHub](https://github.com/microsoft/aspire)

## Definition

```typescript
enum OtlpProtocol {
  Grpc = 0,
  HttpProtobuf = 1,
  HttpJson = 2,
}
```

## Values

- `Grpc` = `0`
- `HttpProtobuf` = `1`
- `HttpJson` = `2`