1 files changed, 4 insertions, 0 deletions
diff --git a/src/MuxElements.h b/src/MuxElements.h
index 98de70e..77d417b 100644
--- a/src/MuxElements.h
+++ b/src/MuxElements.h
@@ -337,6 +337,10 @@ class dabEnsemble : public RemoteControllable {
         static constexpr int RECONFIG_COUNTER_HASH = -2;
         int reconfig_counter = RECONFIG_COUNTER_DISABLED;
 
+        // alarm flag is use for AL flag in FIG 0/0.
+        // set to true if one announcement group with cluster ID 0xFF is available in multiplex file
+        bool alarm_flag = 0;
+
         vec_sp_service services;
         vec_sp_component components;
         vec_sp_subchannel subchannels;