Add section for LANGCHAIN_TRACING_SAMPLING_RATE to env vars page. (#1760

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langchain-ai · Sep 18, 2024 · d4ba315 · d4ba315
1 parent 4ba803b
commit d4ba315
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diff --git a/docs/docs/cloud/reference/env_var.md b/docs/docs/cloud/reference/env_var.md
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 The LangGraph Cloud API supports specific environment variables for configuring a deployment.
 
+## `LANGCHAIN_TRACING_SAMPLING_RATE`
+
+Sampling rate for traces sent to LangSmith. Valid values: Any float between `0` and `1`.
+
+See <a href="https://docs.smith.langchain.com/how_to_guides/tracing/sample_traces" target="_blank">LangSmith documentation</a> for more details.
+
 ## `LANGGRAPH_AUTH_TYPE`
 
 Type of authentication for the LangGraph Cloud API deployment. Valid values: `langsmith`, `noop`.