# RxJava

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> OpenTelemetry Java agent instrumentation

This instrumentation enables context propagation for RxJava 3 reactive streams and adds support for @WithSpan annotations on methods that return RxJava 3 types. It does not emit any telemetry on its own.

- **Name**: `rxjava-3.0`
- **Scope**: `io.opentelemetry.rxjava-3.0`
- **Target versions**: `io.reactivex.rxjava3:rxjava:[3.0.0,3.1.0]`
- **Library**: https://github.com/ReactiveX/RxJava/tree/3.x

## Configuration

| Option | Type | Default | Description |
| --- | --- | --- | --- |
| `otel.instrumentation.rxjava.experimental-span-attributes` | boolean | false | Enables the experimental span attribute `rxjava.canceled`. |

## Data

- **JSON**: [/data/javaagent/instrumentations/rxjava-3.0/rxjava-3.0-b1f438cd0b15.json](/data/javaagent/instrumentations/rxjava-3.0/rxjava-3.0-b1f438cd0b15.json)
- **Explore**: [/java-agent/instrumentation/rxjava-3.0](/java-agent/instrumentation/rxjava-3.0)