1 files changed, 6 insertions, 0 deletions
diff --git a/src/mongo/s/query/cluster_aggregate.cpp b/src/mongo/s/query/cluster_aggregate.cpp
index 4b2da5f2b34..e99c6b70ad5 100644
--- a/src/mongo/s/query/cluster_aggregate.cpp
+++ b/src/mongo/s/query/cluster_aggregate.cpp
@@ -352,6 +352,12 @@ Status ClusterAggregate::runAggregate(OperationContext* opCtx,
         updateHostsTargetedMetrics(opCtx, namespaces.executionNss, cm, involvedNamespaces);
         // Report usage statistics for each stage in the pipeline.
         liteParsedPipeline.tickGlobalStageCounters();
+
+        // Add 'command' object to explain output.
+        if (expCtx->explain) {
+            explain_common::appendIfRoom(
+                request.serializeToCommandObj().toBson(), "command", result);
+        }
     }
     return status;
 }