diff --git a/src/messages/collect_trigger_id.hpp b/src/messages/collect_trigger_id.hpp
new file mode 100644
index 0000000..aba3e5a
--- /dev/null
+++ b/src/messages/collect_trigger_id.hpp
@@ -0,0 +1,18 @@
+#pragma once
+
+#include <string>
+
+namespace messages
+{
+
+struct CollectTriggerIdReq
+{
+    std::string reportId;
+};
+
+struct CollectTriggerIdResp
+{
+    std::string triggerId;
+};
+
+} // namespace messages
diff --git a/src/messages/presence.hpp b/src/messages/presence.hpp
new file mode 100644
index 0000000..bd618ed
--- /dev/null
+++ b/src/messages/presence.hpp
@@ -0,0 +1,12 @@
+#pragma once
+
+namespace messages
+{
+
+enum class Presence
+{
+    Exist,
+    Removed
+};
+
+} // namespace messages
diff --git a/src/messages/trigger_presence_changed_ind.hpp b/src/messages/trigger_presence_changed_ind.hpp
new file mode 100644
index 0000000..217b7e4
--- /dev/null
+++ b/src/messages/trigger_presence_changed_ind.hpp
@@ -0,0 +1,18 @@
+#pragma once
+
+#include "messages/presence.hpp"
+
+#include <string>
+#include <vector>
+
+namespace messages
+{
+
+struct TriggerPresenceChangedInd
+{
+    Presence presence;
+    std::string triggerId;
+    std::vector<std::string> reportIds;
+};
+
+} // namespace messages
diff --git a/src/messages/update_report_ind.hpp b/src/messages/update_report_ind.hpp
new file mode 100644
index 0000000..2ef8c3d
--- /dev/null
+++ b/src/messages/update_report_ind.hpp
@@ -0,0 +1,14 @@
+#pragma once
+
+#include <string>
+#include <vector>
+
+namespace messages
+{
+
+struct UpdateReportInd
+{
+    std::vector<std::string> reportIds;
+};
+
+} // namespace messages