diff --git a/configstore/1.0/ISurfaceFlingerConfigs.hal b/configstore/1.0/ISurfaceFlingerConfigs.hal
index 97dc915..4403a90 100644
--- a/configstore/1.0/ISurfaceFlingerConfigs.hal
+++ b/configstore/1.0/ISurfaceFlingerConfigs.hal
@@ -17,4 +17,5 @@
 
 interface ISurfaceFlingerConfigs {
     vsyncEventPhaseOffsetNs() generates (OptionalInt64 value);
+    useTripleFramebuffer() generates (OptionalBool value);
 };