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Add env var docs #513

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Mar 9, 2024
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Add env var docs #513

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7 changes: 7 additions & 0 deletions README.md
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Expand Up @@ -370,6 +370,13 @@ add_routes(

If you are using LangSmith, you can also set `enable_feedback_endpoint=True` on your route to enable thumbs-up/thumbs-down buttons
after each message, and `enable_public_trace_link_endpoint=True` to add a button that creates a public traces for runs.
Note that you will also need to set the following environment variables:

```bash
export LANGCHAIN_TRACING_V2="true"
export LANGCHAIN_PROJECT="YOUR_PROJECT_NAME"
export LANGCHAIN_API_KEY="YOUR_API_KEY"
```

Here's an example with the above two options turned on:

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