> ## Documentation Index
> Fetch the complete documentation index at: https://praison.ai/docs/llms.txt
> Use this file to discover all available pages before exploring further.
# trace • Rust AI Agent SDK
> Trace Module for PraisonAI Rust SDK.
# trace
Rust AI Agent SDK
Trace Module for PraisonAI Rust SDK.
Provides tracing and observability for agent execution.
# Example
```ignore theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
use praisonai::trace::{TraceContext, Span, SpanKind};
let mut ctx = TraceContext::new("my-trace");
let span = ctx.start_span("agent-execution", SpanKind::Internal);
// ... do work ...
ctx.end_span(span);
```
## Import
```rust theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
use praisonai::trace::*;
```
## Classes
A span representing a unit of work.
An event within a span.
Context for a trace.
Console exporter (prints to stdout).
JSON file exporter.
Global tracer for convenience.
A context event for replay/debugging.
No-op sink (does nothing, zero overhead).
List sink (stores events in memory).
Context trace emitter.
Trait for trace exporters.
Protocol trait for context trace sinks.
Kind of span.
Status of a span.
Type of context event.
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## Related Documentation