diff --git a/hiviewdfx/hiappevent/include/hiappevent/hiappevent.h b/hiviewdfx/hiappevent/include/hiappevent/hiappevent.h
index 2b3d36311742c7e5a5259c8fafa757b3a074c675..cd74ca7b2f9c539aa421b8dc9d87e0b667e44c9e 100644
--- a/hiviewdfx/hiappevent/include/hiappevent/hiappevent.h
+++ b/hiviewdfx/hiappevent/include/hiappevent/hiappevent.h
@@ -107,6 +107,40 @@ enum EventType {
     BEHAVIOR = 4
 };
 
+/**
+ * @brief Definition of HiAppEvent_AppEventInfo object.
+ *
+ * @SystemCapability.HiviewDFX.HiAppEvent
+ * @since 12
+ * @version 1.0
+ */
+struct HiAppEvent_AppEventInfo {
+    /* The domain of the event. */
+    const char* domain;
+    /* The name of the event. */
+    const char* name;
+    /* The type of the event. */
+    enum EventType type;
+    /* The json string of the parameter. */
+    const char* params;
+};
+
+/**
+ * @brief Defines the event group.
+ *
+ * @syscap SystemCapability.HiviewDFX.HiAppEvent
+ * @since 12
+ * @version 1.0
+ */
+struct HiAppEvent_AppEventGroup {
+    /* The name of the event. */
+    const char* name;
+    /* The event array which is group by the name. */
+    const struct HiAppEvent_AppEventInfo* appEventInfos;
+    /* The length of appEventInfos array. */
+    uint32_t infoLen;
+};
+
 /**
  * @brief Event param list node.
  *
@@ -115,6 +149,50 @@ enum EventType {
  */
 typedef struct ParamListNode* ParamList;
 
+/**
+ * @brief HiAppEvent_Watcher node.
+ *
+ * @syscap SystemCapability.HiviewDFX.HiAppEvent
+ * @since 12
+ * @version 1.0
+ */
+typedef struct HiAppEvent_Watcher HiAppEvent_Watcher;
+
+/**
+ * @brief Called when watcher receive the event.
+ *
+ * @SystemCapability.HiviewDFX.HiAppEvent
+ * @param domain The domain of the event.
+ * @param appEventGroups The event group by the domain.
+ * @param groupLen The length of appEventGroups array.
+ * @since 12
+ * @version 1.0
+ */
+typedef void (*OH_HiAppEvent_OnReceive)(
+    const char* domain, const struct HiAppEvent_AppEventGroup* appEventGroups, uint32_t groupLen);
+
+/**
+ * @brief Called when watcher receive the event meet the condition.
+ *
+ * @SystemCapability.HiviewDFX.HiAppEvent
+ * @param row The row of events received by watcher.
+ * @param size The size of events received by watcher.
+ * @since 12
+ * @version 1.0
+ */
+typedef void (*OH_HiAppEvent_OnTrigger)(int32_t row, int32_t size);
+
+/**
+ * @brief Called when watcher take the events.
+ *
+ * @SystemCapability.HiviewDFX.HiAppEvent
+ * @param events The event json string array.
+ * @param eventLen The length of events array.
+ * @since 12
+ * @version 1.0
+ */
+typedef void (*OH_HiAppEvent_OnTake)(const char* const *events, int32_t eventLen);
+
 /**
  * @brief Create a pointer to the ParamList.
  *
@@ -367,6 +445,132 @@ int OH_HiAppEvent_Write(const char* domain, const char* name, enum EventType typ
  */
 bool OH_HiAppEvent_Configure(const char* name, const char* value);
 
+/**
+ * @brief Create a HiAppEvent_Watcher handler pointer to set the property.
+ *
+ * @SystemCapability.HiviewDFX.HiAppEvent
+ * @param name The name of the watcher.
+ * @return Returns a pointer to the HiAppEvent_Watcher instance.
+ * @since 12
+ * @version 1.0
+ */
+HiAppEvent_Watcher* OH_HiAppEvent_CreateWatcher(const char* name);
+
+/**
+ * @brief Destroy the specified HiAppEvent_Watcher handle resource.
+ *
+ * @SystemCapability.HiviewDFX.HiAppEvent
+ * @param watcher The pointer to the HiAppEvent_Watcher instance.
+ * @since 12
+ * @version 1.0
+ */
+void OH_HiAppEvent_DestroyWatcher(HiAppEvent_Watcher* watcher);
+
+/**
+ * @brief Set the TriggerCondition to trigger the onTrigger callback.
+ *
+ * @SystemCapability.HiviewDFX.HiAppEvent
+ * @param watcher The pointer to the HiAppEvent_Watcher instance.
+ * @param row The row of write events that trigger the onTrigger callback.
+ * @param size The size of write events that trigger the onTrigger callback.
+ * @param timeOut The interval for trigger the onTrigger callback.
+ * @return Returns {@code 0} if set TriggerCondition is successful, and returns a
+ * negative integer if set fail.
+ * @since 12
+ * @version 1.0
+ */
+int OH_HiAppEvent_SetTriggerCondition(HiAppEvent_Watcher* watcher, uint32_t row, uint32_t size, uint32_t timeOut);
+
+/**
+ * @brief Set the AppEventFilter, which is used to filter events monitored by the watcher.
+ *
+ * @SystemCapability.HiviewDFX.HiAppEvent
+ * @param watcher The pointer to the HiAppEvent_Watcher instance.
+ * @param domain The name of the event domain to be monitored by the watcher.
+ * @param eventTypes The types of the events to be monitored by the watcher.0x08 means BEHAVIOR,0x04 means
+ * SECURITY, 0x02 means STATISTIC,0x01 means FAULT, 0xff and 0x00 means all.
+ * @param names The names of the events to be monitored by the watcher.
+ * @param namesLen The length of names array.
+ * @return Returns {@code 0} if set AppEventFilter is successful, and returns a
+ * negative integer if set fail.
+ * @since 12
+ * @version 1.0
+ */
+int OH_HiAppEvent_SetAppEventFilter(HiAppEvent_Watcher* watcher, const char* domain, uint8_t eventTypes,
+    const char* const *names, int namesLen);
+
+/**
+ * @brief Set the onTrigger callback.
+ *
+ * @SystemCapability.HiviewDFX.HiAppEvent
+ * @param watcher The pointer to the HiAppEvent_Watcher instance.
+ * @param onTrigger The callback of the watcher.
+ * @return Returns {@code 0} if set OnTrigger is successful, and returns a
+ * negative integer if set fail.
+ * @since 12
+ * @version 1.0
+ */
+int OH_HiAppEvent_SetWatcherOnTrigger(HiAppEvent_Watcher* watcher, OH_HiAppEvent_OnTrigger onTrigger);
+
+/**
+ * @brief Set the OnReceive callback.
+ *
+ * @SystemCapability.HiviewDFX.HiAppEvent
+ * @param watcher The pointer to the HiAppEvent_Watcher instance.
+ * @param onReceive The callback of the watcher.
+ * @return Returns {@code 0} if set OnReceive is successful, and returns a
+ * negative integer if set fail.
+ * @since 12
+ * @version 1.0
+ */
+int OH_HiAppEvent_SetWatcherOnReceive(HiAppEvent_Watcher* watcher, OH_HiAppEvent_OnReceive onReceive);
+
+/**
+ * @brief Set the AppEventFilter, which is used to filter events monitored by the watcher.
+ *
+ * @SystemCapability.HiviewDFX.HiAppEvent
+ * @param watcher The pointer to the HiAppEvent_Watcher instance.
+ * @param size The the threshold size per read.
+ * @param onTake The callback of the watcher.
+ * @return Returns {@code 0} if remove watcher is successful, and returns a
+ * negative integer if remove fail.
+ * @since 12
+ * @version 1.0
+ */
+int OH_HiAppEvent_TakeWatcherData(HiAppEvent_Watcher* watcher, uint32_t size, OH_HiAppEvent_OnTake onTake);
+
+/**
+ * @brief Add watcher to receive the event.
+ *
+ * @SystemCapability.HiviewDFX.HiAppEvent
+ * @param watcher The pointer to the HiAppEvent_Watcher instance which receive the event.
+ * @return Returns {@code 0} if add watcher is successful, and returns a
+ * negative integer if add fail.
+ * @since 12
+ * @version 1.0
+ */
+int OH_HiAppEvent_AddWatcher(HiAppEvent_Watcher* watcher);
+
+/**
+ * @brief Remove watcher.
+ *
+ * @SystemCapability.HiviewDFX.HiAppEvent
+ * @param watcher The pointer to the HiAppEvent_Watcher instance.
+ * @return Returns {@code 0} if remove watcher is successful, and returns a
+ * negative integer if remove fail.
+ * @since 12
+ * @version 1.0
+ */
+int OH_HiAppEvent_RemoveWatcher(HiAppEvent_Watcher* watcher);
+
+/**
+ * @brief Clear all local logging data of the application.
+ *
+ * @SystemCapability.HiviewDFX.HiAppEvent
+ * @since 12
+ * @version 1.0
+ */
+void OH_HiAppEvent_ClearData();
 #ifdef __cplusplus
 }
 #endif
diff --git a/hiviewdfx/hiappevent/include/hiappevent/hiappevent_event.h b/hiviewdfx/hiappevent/include/hiappevent/hiappevent_event.h
index 66aa52061fc8c8fc056437a41b1c22dc9ccf30b1..bdc57665f807b19ca61bc778a2a2826d05ed8582 100644
--- a/hiviewdfx/hiappevent/include/hiappevent/hiappevent_event.h
+++ b/hiviewdfx/hiappevent/include/hiappevent/hiappevent_event.h
@@ -79,6 +79,70 @@ extern "C" {
  */
 #define EVENT_DISTRIBUTED_SERVICE_START "hiappevent.distributed_service_start"
 
+/**
+ * @brief app crash event.
+ *
+ * @since 12
+ * @version 1.0
+ */
+#define EVENT_APP_CRASH "APP_CRASH"
+
+/**
+ * @brief app freeze event.
+ *
+ * @since 12
+ * @version 1.0
+ */
+#define EVENT_APP_FREEZE "APP_FREEZE"
+
+/**
+ * @brief app launch event.
+ *
+ * @since 12
+ * @version 1.0
+ */
+#define EVENT_APP_LAUNCH "APP_LAUNCH"
+
+/**
+ * @brief app scroll jank event.
+ *
+ * @since 12
+ * @version 1.0
+ */
+#define EVENT_SCROLL_JANK "SCROLL_JANK"
+
+/**
+ * @brief app cpu usage high event.
+ *
+ * @since 12
+ * @version 1.0
+ */
+#define EVENT_CPU_USAGE_HIGH "CPU_USAGE_HIGH"
+
+/**
+ * @brief app battery usage event.
+ *
+ * @since 12
+ * @version 1.0
+ */
+#define EVENT_BATTERY_USAGE "BATTERY_USAGE"
+
+/**
+ * @brief app resource overlimit event.
+ *
+ * @since 12
+ * @version 1.0
+ */
+#define EVENT_RESOURCE_OVERLIMIT "RESOURCE_OVERLIMIT"
+
+/**
+ * @brief OS domain.
+ *
+ * @since 12
+ * @version 1.0
+ */
+#define DOMAIN_OS "OS"
+
 #ifdef __cplusplus
 }
 #endif