LangChain Reference home pageLangChain ReferenceLangChain Reference
  • GitHub
  • Main Docs
Deep Agents
LangChain
LangGraph
Integrations
LangSmith
LangSmith
  • Client
  • Run Trees
  • Traceable
  • Evaluation
  • Schemas
  • Langchain
  • Jest
  • Vitest
  • Wrappers
  • Anonymizer
  • Jestlike
  • Vercel
  • Anthropic
  • Sandbox
⌘I

LangChain Assistant

Ask a question to get started

Enter to send•Shift+Enter new line

Menu

LangSmith
ClientRun TreesTraceableEvaluationSchemasLangchainJestVitestWrappersAnonymizerJestlikeVercelAnthropicSandbox
Language
Theme
JavaScriptlangsmithindexTracerSession
Interface●Since v0.0

TracerSession

Copy
interface TracerSession

Properties

View source on GitHub
property
description: string
property
end_time: number
property
extra: KVMap
property
id: string
property
name: string
property
reference_dataset_id: string
property
start_time: number
property
tenant_id: string

The epoch time at which the run ended, if applicable.

Any additional metadata or settings for the run.

Unique identifier (UUID). Remains constant even if name changes.

Display name (can be updated).

The epoch time at which the run started, if available.

The ID of the tenant associated with the annotation queue.