diff --git a/buffet/commands/schema_constants.h b/buffet/commands/schema_constants.h
index 6f5ee71..9740303 100644
--- a/buffet/commands/schema_constants.h
+++ b/buffet/commands/schema_constants.h
@@ -26,6 +26,7 @@
 extern const char kDuplicateCommandDef[];
 extern const char kInvalidCommandName[];
 extern const char kCommandFailed[];
+extern const char kInvalidCommandVisibility[];
 }  // namespace commands
 }  // namespace errors
 
@@ -55,6 +56,12 @@
 extern const char kCommand_Results[];
 extern const char kCommand_State[];
 extern const char kCommand_Progress[];
+
+extern const char kCommand_Visibility[];
+extern const char kCommand_Visibility_None[];
+extern const char kCommand_Visibility_Local[];
+extern const char kCommand_Visibility_Cloud[];
+extern const char kCommand_Visibility_All[];
 }  // namespace attributes
 }  // namespace commands