From 86942c3a584b0dedc1c101edb8322e8368c8fd30 Mon Sep 17 00:00:00 2001
From: Kanchana Sekhar <kanchana.sekhar@mongodb.com>
Date: Tue, 20 Apr 2021 09:14:23 -0700
Subject: [PATCH] DOCSP-15576 adding reference to adl for lookup on sharded
 collection

---
 source/reference/operator/aggregation/lookup.txt | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/source/reference/operator/aggregation/lookup.txt b/source/reference/operator/aggregation/lookup.txt
index 19e6adbc491..54b8cb41b2b 100644
--- a/source/reference/operator/aggregation/lookup.txt
+++ b/source/reference/operator/aggregation/lookup.txt
@@ -284,6 +284,12 @@ Alternatively, or to join multiple sharded collections, consider:
 - If possible, using an :ref:`embedded data model
   <data-modeling-embedding>` that removes the need to join collections.
 
+- If possible, using an `Atlas Data Lake 
+  <https://docs.mongodb.com/datalake/>`__ 
+  `$lookup 
+  <https://docs.mongodb.com/datalake/reference/pipeline/lookup-stage/>`__ 
+  pipeline stage to lookup a sharded collection.
+
 Examples
 --------