1 files changed, 1 insertions, 0 deletions
diff --git a/src/main/java/com/google/devtools/build/lib/buildeventstream/proto/build_event_stream.proto b/src/main/java/com/google/devtools/build/lib/buildeventstream/proto/build_event_stream.proto
index ee27e6bd42..200784b535 100644
--- a/src/main/java/com/google/devtools/build/lib/buildeventstream/proto/build_event_stream.proto
+++ b/src/main/java/com/google/devtools/build/lib/buildeventstream/proto/build_event_stream.proto
@@ -486,6 +486,7 @@ message BuildFinished {
 message BuildEvent {
   BuildEventId id = 1;
   repeated BuildEventId children = 2;
+  bool last_message = 20;
   oneof payload {
     Progress progress = 3;
     Aborted aborted = 4;