From ff8e33beb188388d6fef79275c23fcb84b3e4684 Mon Sep 17 00:00:00 2001
From: jacoblee93 <jacoblee93@gmail.com>
Date: Fri, 8 Mar 2024 18:26:19 -0800
Subject: [PATCH] Add env var docs

---
 README.md | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/README.md b/README.md
index 1cb9edf2..12765647 100644
--- a/README.md
+++ b/README.md
@@ -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: