From 98def417824ddb21fe8bf95bf12633bb9b5f5dab Mon Sep 17 00:00:00 2001
From: Matthew Chen <charlesmchen@gmail.com>
Date: Fri, 4 Aug 2017 17:33:16 -0400
Subject: [PATCH] Respond to CR.

// FREEBIE
---
 .../Messages/DeviceSyncing/OWSOutgoingSentMessageTranscript.m  | 3 +++
 SignalServiceKit/src/Messages/Interactions/TSOutgoingMessage.m | 2 ++
 2 files changed, 5 insertions(+)

diff --git a/SignalServiceKit/src/Messages/DeviceSyncing/OWSOutgoingSentMessageTranscript.m b/SignalServiceKit/src/Messages/DeviceSyncing/OWSOutgoingSentMessageTranscript.m
index c74088880..0508fef5f 100644
--- a/SignalServiceKit/src/Messages/DeviceSyncing/OWSOutgoingSentMessageTranscript.m
+++ b/SignalServiceKit/src/Messages/DeviceSyncing/OWSOutgoingSentMessageTranscript.m
@@ -13,6 +13,9 @@ NS_ASSUME_NONNULL_BEGIN
 /**
  * Normally this is private, but we need to embed this
  * data structure within our own.
+ *
+ * recipientId is nil when building "sent" sync messages for messages
+ * sent to groups.
  */
 - (OWSSignalServiceProtosDataMessage *)buildDataMessage:(NSString *_Nullable)recipientId;
 
diff --git a/SignalServiceKit/src/Messages/Interactions/TSOutgoingMessage.m b/SignalServiceKit/src/Messages/Interactions/TSOutgoingMessage.m
index 16616aa8c..f289f82a8 100644
--- a/SignalServiceKit/src/Messages/Interactions/TSOutgoingMessage.m
+++ b/SignalServiceKit/src/Messages/Interactions/TSOutgoingMessage.m
@@ -455,6 +455,8 @@ NSString *const kTSOutgoingMessageSentRecipientAll = @"kTSOutgoingMessageSentRec
     return builder;
 }
 
+// recipientId is nil when building "sent" sync messages for messages
+// sent to groups.
 - (OWSSignalServiceProtosDataMessage *)buildDataMessage:(NSString *_Nullable)recipientId
 {
     OWSAssert(self.thread);