Spans and attributes
What each span type stores and which attributes are indexed for search.
LAST UPDATED
Tracewell stores four span types. Each has fixed fields and room for your own attributes.
Span types
llm: model, tokens in and out, cost
tool: arguments, response, retries
guard: rule name, verdict
agent: the root, with total latency and cost
Indexed attributes
Status, cost, latency, model and any attribute you mark as searchable.