diff --git a/src/com/android/contacts/common/Experiments.java b/src/com/android/contacts/common/Experiments.java
index 8932cac..a7cbd84 100644
--- a/src/com/android/contacts/common/Experiments.java
+++ b/src/com/android/contacts/common/Experiments.java
@@ -35,6 +35,11 @@
      */
     public static final String SEARCH_YENTA = "Search__yenta";
 
+    /**
+     * Whether to open contact sheet (aka smart profile) instead of our own QuickContact.
+     */
+    public static final String CONTACT_SHEET = "QuickContact__contact_sheet";
+
     private Experiments() {
     }
 }