From 54583c7f9b55276d10e332eaef1256ad917d2220 Mon Sep 17 00:00:00 2001
From: Jackson Weber <47067795+JacksonWeber@users.noreply.github.com>
Date: Tue, 1 Oct 2024 13:59:09 -0700
Subject: [PATCH] Update Readme Regarding ESM Support (#1390)

* Update README to make ESM support for v3.x explicit.

* Update README.md

---------

Co-authored-by: Hector Hernandez <39923391+hectorhdzg@users.noreply.github.com>
---
 README.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/README.md b/README.md
index 4a4ea98d..efa0ee5f 100644
--- a/README.md
+++ b/README.md
@@ -21,6 +21,8 @@ We support the versions of Node.js that are [supported by OpenTelemetry](https:/
 
 ## Limitations of Application Insights 3.X SDK
 
+In order to support importing version 3.X SDK as an ESM module, please follow the [OpenTelemetry project's documentation](https://github.com/open-telemetry/opentelemetry-js/blob/main/doc/esm-support.md#instrumentation-hook-required-for-esm) on using the instrumentation hook. 
+
 Consider whether this version is right for you. It *enables distributed tracing, metrics, logs* and _excludes_:
 
  - Autopopulation of Cloud Role Name and Cloud Role Instance in Azure environments