# OTLP field definitions The field definitions in `eval-otlp-schema.ts` are derived from [OpenTelemetry Protocol v1.9.0](https://github.com/open-telemetry/opentelemetry-proto/tree/v1.9.0). Copyright The OpenTelemetry Authors. Licensed under the [Apache License, Version 2.0](./OTLP-LICENSE.txt). The source comments and package declarations were removed to embed these field definitions in the eval harness. The harness adds a combined response message. Accounting behavior and limits are documented in [OPERATIONS.md](./OPERATIONS.md).