# CommonEvent
> **NOTE**
> The initial APIs of this module are supported since API version 7. Newly added APIs will be marked with a superscript to indicate their earliest API version.
## Required Permissions
| Common Event Macro | Common Event Name | Subscriber Permissions |
| ------------ | ------------------ | ---------------------- |
| COMMON_EVENT_BOOT_COMPLETED | usual.event.BOOT_COMPLETED | ohos.permission.RECEIVER_STARTUP_COMPLETED |
| COMMON_EVENT_LOCKED_BOOT_COMPLETED | usual.event.LOCKED_BOOT_COMPLETED | ohos.permission.RECEIVER_STARTUP_COMPLETED |
| COMMON_EVENT_SHUTDOWN | usual.event.SHUTDOWN | - |
| COMMON_EVENT_BATTERY_CHANGED | usual.event.BATTERY_CHANGED | - |
| COMMON_EVENT_BATTERY_LOW | usual.event.BATTERY_LOW | - |
| COMMON_EVENT_BATTERY_OKAY | usual.event.BATTERY_OKAY | - |
| COMMON_EVENT_POWER_CONNECTED | usual.event.POWER_CONNECTED | - |
| COMMON_EVENT_POWER_DISCONNECTED | usual.event.POWER_DISCONNECTED | - |
| COMMON_EVENT_SCREEN_OFF | usual.event.SCREEN_OFF | - |
| COMMON_EVENT_SCREEN_ON | usual.event.SCREEN_ON | - |
| COMMON_EVENT_THERMAL_LEVEL_CHANGED | usual.event.THERMAL_LEVEL_CHANGED | - |
| COMMON_EVENT_USER_PRESENT | usual.event.USER_PRESENT | - |
| COMMON_EVENT_TIME_TICK | usual.event.TIME_TICK | - |
| COMMON_EVENT_TIME_CHANGED | usual.event.TIME_CHANGED | - |
| COMMON_EVENT_DATE_CHANGED | usual.event.DATE_CHANGED | - |
| COMMON_EVENT_TIMEZONE_CHANGED | usual.event.TIMEZONE_CHANGED | - |
| COMMON_EVENT_CLOSE_SYSTEM_DIALOGS | usual.event.CLOSE_SYSTEM_DIALOGS | - |
| COMMON_EVENT_PACKAGE_ADDED | usual.event.PACKAGE_ADDED | - |
| COMMON_EVENT_PACKAGE_REPLACED | usual.event.PACKAGE_REPLACED | - |
| COMMON_EVENT_MY_PACKAGE_REPLACED | usual.event.MY_PACKAGE_REPLACED | - |
| COMMON_EVENT_PACKAGE_REMOVED | usual.event.PACKAGE_REMOVED | - |
| COMMON_EVENT_BUNDLE_REMOVED | usual.event.BUNDLE_REMOVED | - |
| COMMON_EVENT_PACKAGE_FULLY_REMOVED | usual.event.PACKAGE_FULLY_REMOVED | - |
| COMMON_EVENT_PACKAGE_CHANGED | usual.event.PACKAGE_CHANGED | - |
| COMMON_EVENT_PACKAGE_RESTARTED | usual.event.PACKAGE_RESTARTED | - |
| COMMON_EVENT_PACKAGE_DATA_CLEARED | usual.event.PACKAGE_DATA_CLEARED | - |
| COMMON_EVENT_PACKAGES_SUSPENDED | usual.event.PACKAGES_SUSPENDED | - |
| COMMON_EVENT_PACKAGES_UNSUSPENDED | usual.event.PACKAGES_UNSUSPENDED | - |
| COMMON_EVENT_MY_PACKAGE_SUSPENDED | usual.event.MY_PACKAGE_SUSPENDED | - |
| COMMON_EVENT_MY_PACKAGE_UNSUSPENDED | usual.event.MY_PACKAGE_UNSUSPENDED | - |
| COMMON_EVENT_UID_REMOVED | usual.event.UID_REMOVED | - |
| COMMON_EVENT_PACKAGE_FIRST_LAUNCH | usual.event.PACKAGE_FIRST_LAUNCH | - |
| COMMON_EVENT_PACKAGE_NEEDS_VERIFICATION | usual.event.PACKAGE_NEEDS_VERIFICATION | - |
| COMMON_EVENT_PACKAGE_VERIFIED | usual.event.PACKAGE_VERIFIED | - |
| COMMON_EVENT_EXTERNAL_APPLICATIONS_AVAILABLE | usual.event.EXTERNAL_APPLICATIONS_AVAILABLE | - |
| COMMON_EVENT_EXTERNAL_APPLICATIONS_UNAVAILABLE | usual.event.EXTERNAL_APPLICATIONS_UNAVAILABLE | - |
| COMMON_EVENT_CONFIGURATION_CHANGED | usual.event.CONFIGURATION_CHANGED | - |
| COMMON_EVENT_LOCALE_CHANGED | usual.event.LOCALE_CHANGED | - |
| COMMON_EVENT_MANAGE_PACKAGE_STORAGE | usual.event.MANAGE_PACKAGE_STORAGE | - |
| COMMON_EVENT_DRIVE_MODE | common.event.DRIVE_MODE | - |
| COMMON_EVENT_HOME_MODE | common.event.HOME_MODE | - |
| COMMON_EVENT_OFFICE_MODE | common.event.OFFICE_MODE | - |
| COMMON_EVENT_USER_STARTED | usual.event.USER_STARTED | - |
| COMMON_EVENT_USER_BACKGROUND | usual.event.USER_BACKGROUND | - |
| COMMON_EVENT_USER_FOREGROUND | usual.event.USER_FOREGROUND | - |
| COMMON_EVENT_USER_SWITCHED | usual.event.USER_SWITCHED | ohos.permission.MANAGE_USERS |
| COMMON_EVENT_USER_STARTING | usual.event.USER_STARTING | ohos.permission.INTERACT_ACROSS_USERS |
| COMMON_EVENT_USER_UNLOCKED | usual.event.USER_UNLOCKED | - |
| COMMON_EVENT_USER_STOPPING | usual.event.USER_STOPPING | ohos.permission.INTERACT_ACROSS_USERS |
| COMMON_EVENT_USER_STOPPED | usual.event.USER_STOPPED | - |
| COMMON_EVENT_HWID_LOGIN | common.event.HWID_LOGIN | - |
| COMMON_EVENT_HWID_LOGOUT | common.event.HWID_LOGOUT | - |
| COMMON_EVENT_HWID_TOKEN_INVALID | common.event.HWID_TOKEN_INVALID | - |
| COMMON_EVENT_HWID_LOGOFF | common.event.HWID_LOGOFF | - |
| COMMON_EVENT_WIFI_POWER_STATE | usual.event.wifi.POWER_STATE | - |
| COMMON_EVENT_WIFI_SCAN_FINISHED | usual.event.wifi.SCAN_FINISHED | ohos.permission.LOCATION |
| COMMON_EVENT_WIFI_RSSI_VALUE | usual.event.wifi.RSSI_VALUE | ohos.permission.GET_WIFI_INFO |
| COMMON_EVENT_WIFI_CONN_STATE | usual.event.wifi.CONN_STATE | - |
| COMMON_EVENT_WIFI_HOTSPOT_STATE | usual.event.wifi.HOTSPOT_STATE | - |
| COMMON_EVENT_WIFI_AP_STA_JOIN | usual.event.wifi.WIFI_HS_STA_JOIN | ohos.permission.GET_WIFI_INFO |
| COMMON_EVENT_WIFI_AP_STA_LEAVE | usual.event.wifi.WIFI_HS_STA_LEAVE | ohos.permission.GET_WIFI_INFO |
| COMMON_EVENT_WIFI_MPLINK_STATE_CHANGE | usual.event.wifi.mplink.STATE_CHANGE | ohos.permission.MPLINK_CHANGE_STATE |
| COMMON_EVENT_WIFI_P2P_CONN_STATE | usual.event.wifi.p2p.CONN_STATE_CHANGE | ohos.permission.GET_WIFI_INFO and ohos.permission.LOCATION |
| COMMON_EVENT_WIFI_P2P_STATE_CHANGED | usual.event.wifi.p2p.STATE_CHANGE | ohos.permission.GET_WIFI_INFO |
| COMMON_EVENT_WIFI_P2P_PEERS_STATE_CHANGED | usual.event.wifi.p2p.DEVICES_CHANGE | ohos.permission.GET_WIFI_INFO |
| COMMON_EVENT_WIFI_P2P_PEERS_DISCOVERY_STATE_CHANGED | usual.event.wifi.p2p.PEER_DISCOVERY_STATE_CHANGE | ohos.permission.GET_WIFI_INFO |
| COMMON_EVENT_WIFI_P2P_CURRENT_DEVICE_STATE_CHANGED | usual.event.wifi.p2p.CURRENT_DEVICE_CHANGE | ohos.permission.GET_WIFI_INFO |
| COMMON_EVENT_WIFI_P2P_GROUP_STATE_CHANGED | usual.event.wifi.p2p.GROUP_STATE_CHANGED | ohos.permission.GET_WIFI_INFO |
| COMMON_EVENT_BLUETOOTH_HANDSFREE_AG_CONNECT_STATE_UPDATE | usual.event.bluetooth.handsfree.ag.CONNECT_STATE_UPDATE | ohos.permission.USE_BLUETOOTH |
| COMMON_EVENT_BLUETOOTH_HANDSFREE_AG_CURRENT_DEVICE_UPDATE | usual.event.bluetooth.handsfree.ag.CURRENT_DEVICE_UPDATE | ohos.permission.USE_BLUETOOTH |
| COMMON_EVENT_BLUETOOTH_HANDSFREE_AG_AUDIO_STATE_UPDATE | usual.event.bluetooth.handsfree.ag.AUDIO_STATE_UPDATE | ohos.permission.USE_BLUETOOTH |
| COMMON_EVENT_BLUETOOTH_A2DPSOURCE_CONNECT_STATE_UPDATE | usual.event.bluetooth.a2dpsource.CONNECT_STATE_UPDATE | ohos.permission.USE_BLUETOOTH |
| COMMON_EVENT_BLUETOOTH_A2DPSOURCE_CURRENT_DEVICE_UPDATE | usual.event.bluetooth.a2dpsource.CURRENT_DEVICE_UPDATE | ohos.permission.USE_BLUETOOTH |
| COMMON_EVENT_BLUETOOTH_A2DPSOURCE_PLAYING_STATE_UPDATE | usual.event.bluetooth.a2dpsource.PLAYING_STATE_UPDATE | ohos.permission.USE_BLUETOOTH |
| COMMON_EVENT_BLUETOOTH_A2DPSOURCE_AVRCP_CONNECT_STATE_UPDATE | usual.event.bluetooth.a2dpsource.AVRCP_CONNECT_STATE_UPDATE | ohos.permission.USE_BLUETOOTH |
| COMMON_EVENT_BLUETOOTH_A2DPSOURCE_CODEC_VALUE_UPDATE | usual.event.bluetooth.a2dpsource.CODEC_VALUE_UPDATE | ohos.permission.USE_BLUETOOTH |
| COMMON_EVENT_BLUETOOTH_REMOTEDEVICE_DISCOVERED | usual.event.bluetooth.remotedevice.DISCOVERED | ohos.permission.LOCATION and ohos.permission.USE_BLUETOOTH |
| COMMON_EVENT_BLUETOOTH_REMOTEDEVICE_CLASS_VALUE_UPDATE | usual.event.bluetooth.remotedevice.CLASS_VALUE_UPDATE | ohos.permission.USE_BLUETOOTH |
| COMMON_EVENT_BLUETOOTH_REMOTEDEVICE_ACL_CONNECTED | usual.event.bluetooth.remotedevice.ACL_CONNECTED | ohos.permission.USE_BLUETOOTH |
| COMMON_EVENT_BLUETOOTH_REMOTEDEVICE_ACL_DISCONNECTED | usual.event.bluetooth.remotedevice.ACL_DISCONNECTED | ohos.permission.USE_BLUETOOTH |
| COMMON_EVENT_BLUETOOTH_REMOTEDEVICE_NAME_UPDATE | usual.event.bluetooth.remotedevice.NAME_UPDATE | ohos.permission.USE_BLUETOOTH |
| COMMON_EVENT_BLUETOOTH_REMOTEDEVICE_PAIR_STATE | usual.event.bluetooth.remotedevice.PAIR_STATE | ohos.permission.USE_BLUETOOTH |
| COMMON_EVENT_BLUETOOTH_REMOTEDEVICE_BATTERY_VALUE_UPDATE | usual.event.bluetooth.remotedevice.BATTERY_VALUE_UPDATE | ohos.permission.USE_BLUETOOTH |
| COMMON_EVENT_BLUETOOTH_REMOTEDEVICE_SDP_RESULT | usual.event.bluetooth.remotedevice.SDP_RESULT | - |
| COMMON_EVENT_BLUETOOTH_REMOTEDEVICE_UUID_VALUE | usual.event.bluetooth.remotedevice.UUID_VALUE | ohos.permission.DISCOVER_BLUETOOTH |
| COMMON_EVENT_BLUETOOTH_REMOTEDEVICE_PAIRING_REQ | usual.event.bluetooth.remotedevice.PAIRING_REQ | ohos.permission.DISCOVER_BLUETOOTH |
| COMMON_EVENT_BLUETOOTH_REMOTEDEVICE_PAIRING_CANCEL | usual.event.bluetooth.remotedevice.PAIRING_CANCEL | - |
| COMMON_EVENT_BLUETOOTH_REMOTEDEVICE_CONNECT_REQ | usual.event.bluetooth.remotedevice.CONNECT_REQ | - |
| COMMON_EVENT_BLUETOOTH_REMOTEDEVICE_CONNECT_REPLY | usual.event.bluetooth.remotedevice.CONNECT_REPLY | - |
| COMMON_EVENT_BLUETOOTH_REMOTEDEVICE_CONNECT_CANCEL | usual.event.bluetooth.remotedevice.CONNECT_CANCEL | - |
| COMMON_EVENT_BLUETOOTH_HANDSFREEUNIT_CONNECT_STATE_UPDATE | usual.event.bluetooth.handsfreeunit.CONNECT_STATE_UPDATE | - |
| COMMON_EVENT_BLUETOOTH_HANDSFREEUNIT_AUDIO_STATE_UPDATE | usual.event.bluetooth.handsfreeunit.AUDIO_STATE_UPDATE | - |
| COMMON_EVENT_BLUETOOTH_HANDSFREEUNIT_AG_COMMON_EVENT | usual.event.bluetooth.handsfreeunit.AG_COMMON_EVENT | - |
| COMMON_EVENT_BLUETOOTH_HANDSFREEUNIT_AG_CALL_STATE_UPDATE | usual.event.bluetooth.handsfreeunit.AG_CALL_STATE_UPDATE | - |
| COMMON_EVENT_BLUETOOTH_HOST_STATE_UPDATE | usual.event.bluetooth.host.STATE_UPDATE | ohos.permission.USE_BLUETOOTH |
| COMMON_EVENT_BLUETOOTH_HOST_REQ_DISCOVERABLE | usual.event.bluetooth.host.REQ_DISCOVERABLE | - |
| COMMON_EVENT_BLUETOOTH_HOST_REQ_ENABLE | usual.event.bluetooth.host.REQ_ENABLE | ohos.permission.USE_BLUETOOTH |
| COMMON_EVENT_BLUETOOTH_HOST_REQ_DISABLE | usual.event.bluetooth.host.REQ_DISABLE | ohos.permission.USE_BLUETOOTH |
| COMMON_EVENT_BLUETOOTH_HOST_SCAN_MODE_UPDATE | usual.event.bluetooth.host.SCAN_MODE_UPDATE | ohos.permission.USE_BLUETOOTH |
| COMMON_EVENT_BLUETOOTH_HOST_DISCOVERY_STARTED | usual.event.bluetooth.host.DISCOVERY_STARTED | ohos.permission.USE_BLUETOOTH |
| COMMON_EVENT_BLUETOOTH_HOST_DISCOVERY_FINISHED | usual.event.bluetooth.host.DISCOVERY_FINISHED | ohos.permission.USE_BLUETOOTH |
| COMMON_EVENT_BLUETOOTH_HOST_NAME_UPDATE | usual.event.bluetooth.host.NAME_UPDATE | ohos.permission.USE_BLUETOOTH |
| COMMON_EVENT_BLUETOOTH_A2DPSINK_CONNECT_STATE_UPDATE | usual.event.bluetooth.a2dpsink.CONNECT_STATE_UPDATE | ohos.permission.USE_BLUETOOTH |
| COMMON_EVENT_BLUETOOTH_A2DPSINK_PLAYING_STATE_UPDATE | usual.event.bluetooth.a2dpsink.PLAYING_STATE_UPDATE | ohos.permission.USE_BLUETOOTH |
| COMMON_EVENT_BLUETOOTH_A2DPSINK_AUDIO_STATE_UPDATE | usual.event.bluetooth.a2dpsink.AUDIO_STATE_UPDATE | ohos.permission.USE_BLUETOOTH |
| COMMON_EVENT_NFC_ACTION_ADAPTER_STATE_CHANGED | usual.event.nfc.action.ADAPTER_STATE_CHANGED | - |
| COMMON_EVENT_NFC_ACTION_RF_FIELD_ON_DETECTED | usual.event.nfc.action.RF_FIELD_ON_DETECTED | ohos.permission.MANAGE_SECURE_SETTINGS |
| COMMON_EVENT_NFC_ACTION_RF_FIELD_OFF_DETECTED | usual.event.nfc.action.RF_FIELD_OFF_DETECTED | ohos.permission.MANAGE_SECURE_SETTINGS |
| COMMON_EVENT_DISCHARGING | usual.event.DISCHARGING | - |
| COMMON_EVENT_CHARGING | usual.event.CHARGING | - |
| COMMON_EVENT_DEVICE_IDLE_MODE_CHANGED | usual.event.DEVICE_IDLE_MODE_CHANGED | - |
| COMMON_EVENT_POWER_SAVE_MODE_CHANGED | usual.event.POWER_SAVE_MODE_CHANGED | - |
| COMMON_EVENT_USER_ADDED | usual.event.USER_ADDED | ohos.permission.MANAGE_USERS |
| COMMON_EVENT_USER_REMOVED | usual.event.USER_REMOVED | ohos.permission.MANAGE_USERS |
| COMMON_EVENT_ABILITY_ADDED | usual.event.ABILITY_ADDED | ohos.permission.LISTEN_BUNDLE_CHANGE |
| COMMON_EVENT_ABILITY_REMOVED | usual.event.ABILITY_REMOVED | ohos.permission.LISTEN_BUNDLE_CHANGE |
| COMMON_EVENT_ABILITY_UPDATED | usual.event.ABILITY_UPDATED | ohos.permission.LISTEN_BUNDLE_CHANGE |
| COMMON_EVENT_LOCATION_MODE_STATE_CHANGED | usual.event.location.MODE_STATE_CHANGED | - |
| COMMON_EVENT_IVI_SLEEP | common.event.IVI_SLEEP | - |
| COMMON_EVENT_IVI_PAUSE | common.event.IVI_PAUSE | - |
| COMMON_EVENT_IVI_STANDBY | common.event.IVI_STANDBY | - |
| COMMON_EVENT_IVI_LASTMODE_SAVE | common.event.IVI_LASTMODE_SAVE | - |
| COMMON_EVENT_IVI_VOLTAGE_ABNORMAL | common.event.IVI_VOLTAGE_ABNORMAL | - |
| COMMON_EVENT_IVI_HIGH_TEMPERATURE | common.event.IVI_HIGH_TEMPERATURE | - |
| COMMON_EVENT_IVI_EXTREME_TEMPERATURE | common.event.IVI_EXTREME_TEMPERATURE | - |
| COMMON_EVENT_IVI_TEMPERATURE_ABNORMAL | common.event.IVI_TEMPERATURE_ABNORMAL | - |
| COMMON_EVENT_IVI_VOLTAGE_RECOVERY | common.event.IVI_VOLTAGE_RECOVERY | - |
| COMMON_EVENT_IVI_TEMPERATURE_RECOVERY | common.event.IVI_TEMPERATURE_RECOVERY | - |
| COMMON_EVENT_IVI_ACTIVE | common.event.IVI_ACTIVE | - |
|COMMON_EVENT_USB_STATE9+ | usual.event.hardware.usb.action.USB_STATE | - |
|COMMON_EVENT_USB_PORT_CHANGED9+ | usual.event.hardware.usb.action.USB_PORT_CHANGED | - |
| COMMON_EVENT_USB_DEVICE_ATTACHED | usual.event.hardware.usb.action.USB_DEVICE_ATTACHED | - |
| COMMON_EVENT_USB_DEVICE_DETACHED | usual.event.hardware.usb.action.USB_DEVICE_DETACHED | - |
| COMMON_EVENT_USB_ACCESSORY_ATTACHED | usual.event.hardware.usb.action.USB_ACCESSORY_ATTACHED | - |
| COMMON_EVENT_USB_ACCESSORY_DETACHED | usual.event.hardware.usb.action.USB_ACCESSORY_DETACHED | - |
| COMMON_EVENT_DISK_REMOVED | usual.event.data.DISK_REMOVED | ohos.permission.WRITE_USER_STORAGE or ohos.permission.READ_USER_STORAGE|
| COMMON_EVENT_DISK_UNMOUNTED | usual.event.data.DISK_UNMOUNTED | ohos.permission.WRITE_USER_STORAGE or ohos.permission.READ_USER_STORAGE|
| COMMON_EVENT_DISK_MOUNTED | usual.event.data.DISK_MOUNTED | ohos.permission.WRITE_USER_STORAGE or ohos.permission.READ_USER_STORAGE|
| COMMON_EVENT_DISK_BAD_REMOVAL | usual.event.data.DISK_BAD_REMOVAL | ohos.permission.WRITE_USER_STORAGE or ohos.permission.READ_USER_STORAGE|
| COMMON_EVENT_DISK_UNMOUNTABLE | usual.event.data.DISK_UNMOUNTABLE | ohos.permission.WRITE_USER_STORAGE or ohos.permission.READ_USER_STORAGE|
| COMMON_EVENT_DISK_EJECT | usual.event.data.DISK_EJECT | ohos.permission.WRITE_USER_STORAGE or ohos.permission.READ_USER_STORAGE|
| COMMON_EVENT_VOLUME_REMOVED | usual.event.data.VOLUME_REMOVED | ohos.permission.WRITE_USER_STORAGE or ohos.permission.READ_USER_STORAGE|
| COMMON_EVENT_VOLUME_UNMOUNTED | usual.event.data.VOLUME_UNMOUNTED | ohos.permission.WRITE_USER_STORAGE or ohos.permission.READ_USER_STORAGE|
| COMMON_EVENT_VOLUME_MOUNTED | usual.event.data.VOLUME_MOUNTED | ohos.permission.WRITE_USER_STORAGE or ohos.permission.READ_USER_STORAGE|
| COMMON_EVENT_VOLUME_BAD_REMOVAL | usual.event.data.VOLUME_BAD_REMOVAL | ohos.permission.WRITE_USER_STORAGE or ohos.permission.READ_USER_STORAGE|
| COMMON_EVENT_VOLUME_EJECT | usual.event.data.VOLUME_EJECT | ohos.permission.WRITE_USER_STORAGE or ohos.permission.READ_USER_STORAGE|
| COMMON_EVENT_VISIBLE_ACCOUNTS_UPDATED | usual.event.data.VISIBLE_ACCOUNTS_UPDATED | ohos.permission.GET_APP_ACCOUNTS |
| COMMON_EVENT_ACCOUNT_DELETED | usual.event.data.ACCOUNT_DELETED | ohos.permission.INTERACT_ACROSS_LOCAL_ACCOUNTS |
| COMMON_EVENT_FOUNDATION_READY | usual.event.data.FOUNDATION_READY | ohos.permission.RECEIVER_STARTUP_COMPLETED |
| COMMON_EVENT_AIRPLANE_MODE_CHANGED | usual.event.AIRPLANE_MODE | - |
| COMMON_EVENT_SPLIT_SCREEN | usual.event.SPLIT_SCREEN | ohos.permission.RECEIVER_SPLIT_SCREEN |
## Modules to Import
```js
import CommonEvent from '@ohos.commonEvent';
```
## CommonEvent.publish
publish(event: string, callback: AsyncCallback\): void
Publishes a common event. This API uses a callback to return the result.
**System capability**: SystemCapability.Notification.CommonEvent
**Parameters**
| Name | Readable/Writable| Type | Mandatory| Description |
| -------- | -------- | -------------------- | ---- | ---------------------- |
| event | Read only | string | Yes | Name of the common event to publish.|
| callback | Read only | AsyncCallback\ | Yes | Callback used to return the result.|
**Example**
```js
// Callback for common event publication.
function PublishCallBack(err) {
if (err.code) {
console.error("publish failed " + JSON.stringify(err));
} else {
console.info("publish");
}
}
// Publish a common event.
CommonEvent.publish("event", PublishCallBack);
```
## CommonEvent.publish
publish(event: string, options: CommonEventPublishData, callback: AsyncCallback\): void
Publishes a common event with given attributes. This API uses a callback to return the result.
**System capability**: SystemCapability.Notification.CommonEvent
**Parameters**
| Name | Readable/Writable| Type | Mandatory| Description |
| -------- | -------- | ---------------------- | ---- | ---------------------- |
| event | Read only | string | Yes | Name of the common event to publish. |
| options | Read only | [CommonEventPublishData](#commoneventpublishdata) | Yes | Attributes of the common event to publish.|
| callback | Read only | AsyncCallback\ | Yes | Callback used to return the result. |
**Example**
```js
// Attributes of a common event.
var options = {
code: 0, // Result code of the common event
data: "initial data",// Result data of the common event
isOrdered: true // The common event is an ordered one.
}
// Callback for common event publication
function PublishCallBack(err) {
if (err.code) {
console.error("publish failed " + JSON.stringify(err));
} else {
console.info("publish");
}
}
// Publish a common event.
CommonEvent.publish("event", options, PublishCallBack);
```
## CommonEvent.publishAsUser8+
publishAsUser(event: string, userId: number, callback: AsyncCallback\): void
Publishes a common event to a specific user. This API uses a callback to return the result.
**System capability**: SystemCapability.Notification.CommonEvent
**Parameters**
| Name | Readable/Writable| Type | Mandatory| Description |
| -------- | -------- | -------------------- | ---- | ---------------------------------- |
| event | Read only | string | Yes | Name of the common event to publish. |
| userId | Read only | number | Yes | User ID.|
| callback | Read only | AsyncCallback\ | Yes | Callback used to return the result. |
**Example**
```js
// Callback for common event publication.
function PublishAsUserCallBack(err) {
if (err.code) {
console.error("publishAsUser failed " + JSON.stringify(err));
} else {
console.info("publishAsUser");
}
}
// Specify the user to whom the common event will be published.
var userId = 100;
// Publish a common event.
CommonEvent.publishAsUser("event", userId, PublishAsUserCallBack);
```
## CommonEvent.publishAsUser8+
publishAsUser(event: string, userId: number, options: CommonEventPublishData, callback: AsyncCallback\): void
Publishes a common event with given attributes to a specific user. This API uses a callback to return the result.
**System capability**: SystemCapability.Notification.CommonEvent
**Parameters**
| Name | Readable/Writable| Type | Mandatory| Description |
| -------- | -------- | ---------------------- | ---- | ---------------------- |
| event | Read only | string | Yes | Name of the common event to publish. |
| userId | Read only| number | Yes| User ID.|
| options | Read only | [CommonEventPublishData](#commoneventpublishdata) | Yes | Attributes of the common event to publish.|
| callback | Read only | AsyncCallback\ | Yes | Callback used to return the result. |
**Example**
```js
// Attributes of a common event.
var options = {
code: 0, // Result code of the common event
data: "initial data",// Result data of the common event
}
// Callback for common event publication
function PublishAsUserCallBack(err) {
if (err.code) {
console.error("publishAsUser failed " + JSON.stringify(err));
} else {
console.info("publishAsUser");
}
}
// Specify the user to whom the common event will be published.
var userId = 100;
// Publish a common event.
CommonEvent.publishAsUser("event", userId, options, PublishAsUserCallBack);
```
## CommonEvent.createSubscriber
createSubscriber(subscribeInfo: CommonEventSubscribeInfo, callback: AsyncCallback\): void
Creates a subscriber. This API uses a callback to return the result.
**System capability**: SystemCapability.Notification.CommonEvent
**Parameters**
| Name | Readable/Writable| Type | Mandatory| Description |
| ------------- | -------- | ------------------------------------------------------------ | ---- | -------------------------- |
| subscribeInfo | Read only | [CommonEventSubscribeInfo](#commoneventsubscribeinfo) | Yes | Subscriber information. |
| callback | Read only | AsyncCallback\<[CommonEventSubscriber](#commoneventsubscriber)> | Yes | Callback used to return the result.|
**Example**
```js
var subscriber; // Used to save the created subscriber object for subsequent subscription and unsubscription.
// Subscriber information.
var subscribeInfo = {
events: ["event"]
};
// Callback for subscriber creation.
function CreateSubscriberCallBack(err, commonEventSubscriber) {
if (err.code) {
console.error("createSubscriber failed " + JSON.stringify(err));
} else {
console.info("createSubscriber");
subscriber = commonEventSubscriber;
}
}
// Create a subscriber.
CommonEvent.createSubscriber(subscribeInfo, CreateSubscriberCallBack);
```
## CommonEvent.createSubscriber
createSubscriber(subscribeInfo: CommonEventSubscribeInfo): Promise\
Creates a subscriber. This API uses a promise to return the result.
**System capability**: SystemCapability.Notification.CommonEvent
**Parameters**
| Name | Readable/Writable| Type | Mandatory| Description |
| ------------- | -------- | ----------------------------------------------------- | ---- | -------------- |
| subscribeInfo | Read only | [CommonEventSubscribeInfo](#commoneventsubscribeinfo) | Yes | Subscriber information.|
**Return value**
| Type | Description |
| --------------------------------------------------------- | ---------------- |
| Promise\<[CommonEventSubscriber](#commoneventsubscriber)> | Promise used to return the subscriber object.|
**Example**
```js
var subscriber; // Used to save the created subscriber object for subsequent subscription and unsubscription.
// Subscriber information.
var subscribeInfo = {
events: ["event"]
};
// Create a subscriber.
CommonEvent.createSubscriber(subscribeInfo).then((commonEventSubscriber) => {
console.info("createSubscriber");
subscriber = commonEventSubscriber;
}).catch((err) => {
console.error("createSubscriber failed " + JSON.stringify(err));
});
```
## CommonEvent.subscribe
subscribe(subscriber: CommonEventSubscriber, callback: AsyncCallback\): void
Subscribes to common events. This API uses a callback to return the result.
**System capability**: SystemCapability.Notification.CommonEvent
**Parameters**
| Name | Readable/Writable| Type | Mandatory| Description |
| ---------- | -------- | --------------------------------------------------- | ---- | -------------------------------- |
| subscriber | Read only | [CommonEventSubscriber](#commoneventsubscriber) | Yes | Subscriber object. |
| callback | Read only | AsyncCallback\<[CommonEventData](#commoneventdata)> | Yes | Callback used to return the result.|
**Example**
```js
var subscriber; // Used to save the created subscriber object for subsequent subscription and unsubscription.
// Subscriber information.
var subscribeInfo = {
events: ["event"]
};
// Callback for common event subscription.
function SubscribeCallBack(err, data) {
if (err.code) {
console.error("subscribe failed " + JSON.stringify(err));
} else {
console.info("subscribe " + JSON.stringify(data));
}
}
// Callback for subscriber creation.
function CreateSubscriberCallBack(err, commonEventSubscriber) {
if (err.code) {
console.error("createSubscriber failed " + JSON.stringify(err));
} else {
console.info("createSubscriber");
subscriber = commonEventSubscriber;
// Subscribe to a common event.
CommonEvent.subscribe(subscriber, SubscribeCallBack);
}
}
// Create a subscriber.
CommonEvent.createSubscriber(subscribeInfo, CreateSubscriberCallBack);
```
## CommonEvent.unsubscribe
unsubscribe(subscriber: CommonEventSubscriber, callback?: AsyncCallback\): void
Unsubscribes from common events. This API uses a callback to return the result.
**System capability**: SystemCapability.Notification.CommonEvent
**Parameters**
| Name | Readable/Writable| Type | Mandatory| Description |
| ---------- | -------- | ----------------------------------------------- | ---- | ------------------------ |
| subscriber | Read only | [CommonEventSubscriber](#commoneventsubscriber) | Yes | Subscriber object. |
| callback | Read only | AsyncCallback\ | No | Callback used to return the result.|
**Example**
```js
var subscriber; // Used to save the created subscriber object for subsequent subscription and unsubscription.
// Subscriber information.
var subscribeInfo = {
events: ["event"]
};
// Callback for common event subscription.
function SubscribeCallBack(err, data) {
if (err.code) {
console.info("subscribe failed " + JSON.stringify(err));
} else {
console.info("subscribe " + JSON.stringify(data));
}
}
// Callback for subscriber creation.
function CreateSubscriberCallBack(err, commonEventSubscriber) {
if (err.code) {
console.info("createSubscriber failed " + JSON.stringify(err));
} else {
console.info("createSubscriber");
subscriber = commonEventSubscriber;
// Subscribe to a common event.
CommonEvent.subscribe(subscriber, SubscribeCallBack);
}
}
// Callback for common event unsubscription.
function UnsubscribeCallBack(err) {
if (err.code) {
console.info("unsubscribe failed " + JSON.stringify(err));
} else {
console.info("unsubscribe");
}
}
// Create a subscriber.
CommonEvent.createSubscriber(subscribeInfo, CreateSubscriberCallBack);
// Unsubscribe from the common event.
CommonEvent.unsubscribe(subscriber, UnsubscribeCallBack);
```
## CommonEventSubscriber
### getCode
getCode(callback: AsyncCallback\): void
Obtains the result code of this common event. This API uses a callback to return the result.
**System capability**: SystemCapability.Notification.CommonEvent
**Parameters**
| Name | Type | Mandatory| Description |
| -------- | ---------------------- | ---- | ------------------ |
| callback | AsyncCallback\ | Yes | Callback used to return the result code.|
**Example**
```js
var subscriber; // Subscriber object successfully created.
// Callback for result code obtaining of an ordered common event.
function getCodeCallback(err, Code) {
if (err.code) {
console.error("getCode failed " + JSON.stringify(err));
} else {
console.info("getCode " + JSON.stringify(Code));
}
}
subscriber.getCode(getCodeCallback);
```
### getCode
getCode(): Promise\
Obtains the result code of this common event. This API uses a promise to return the result.
**System capability**: SystemCapability.Notification.CommonEvent
**Return value**
| Type | Description |
| ---------------- | -------------------- |
| Promise\ | Promise used to return the result code.|
**Example**
```js
var subscriber; // Subscriber object successfully created.
subscriber.getCode().then((Code) => {
console.info("getCode " + JSON.stringify(Code));
}).catch((err) => {
console.error("getCode failed " + JSON.stringify(err));
});
```
### setCode
setCode(code: number, callback: AsyncCallback\): void
Sets the result code for this common event. This API uses a callback to return the result.
**System capability**: SystemCapability.Notification.CommonEvent
**Parameters**
| Name | Type | Mandatory| Description |
| -------- | -------------------- | ---- | ---------------------- |
| code | number | Yes | Result code of the common event. |
| callback | AsyncCallback\ | Yes | Callback used to return the result.|
**Example**
```js
var subscriber; // Subscriber object successfully created.
// Callback for result code setting of an ordered common event.
function setCodeCallback(err) {
if (err.code) {
console.error("setCode failed " + JSON.stringify(err));
} else {
console.info("setCode");
}
}
subscriber.setCode(1, setCodeCallback);
```
### setCode
setCode(code: number): Promise\
Sets the result code for this common event. This API uses a promise to return the result.
**System capability**: SystemCapability.Notification.CommonEvent
**Parameters**
| Name| Type | Mandatory| Description |
| ------ | ------ | ---- | ------------------ |
| code | number | Yes | Result code of the common event.|
**Return value**
| Type | Description |
| ---------------- | -------------------- |
| Promise\ | Promise used to return the result code.|
**Example**
```js
var subscriber; // Subscriber object successfully created.
subscriber.setCode(1).then(() => {
console.info("setCode");
}).catch((err) => {
console.error("setCode failed " + JSON.stringify(err));
});
```
### getData
getData(callback: AsyncCallback\): void
Obtains the result data of this common event. This API uses a callback to return the result.
**System capability**: SystemCapability.Notification.CommonEvent
**Parameters**
| Name | Type | Mandatory| Description |
| -------- | ---------------------- | ---- | -------------------- |
| callback | AsyncCallback\ | Yes | Result data of the common event.|
**Example**
```js
var subscriber; // Subscriber object successfully created.
// Callback for result data obtaining of an ordered common event.
function getDataCallback(err, Data) {
if (err.code) {
console.error("getData failed " + JSON.stringify(err));
} else {
console.info("getData " + JSON.stringify(Data));
}
}
subscriber.getData(getDataCallback);
```
### getData
getData(): Promise\
Obtains the result data of this common event. This API uses a promise to return the result.
**System capability**: SystemCapability.Notification.CommonEvent
**Return value**
| Type | Description |
| ---------------- | ------------------ |
| Promise\ | Result data of the common event.|
**Example**
```js
var subscriber; // Subscriber object successfully created.
subscriber.getData().then((Data) => {
console.info("getData " + JSON.stringify(Data));
}).catch((err) => {
console.error("getData failed " + JSON.stringify(err));
});
```
### setData
setData(data: string, callback: AsyncCallback\): void
Sets the result data for this common event. This API uses a callback to return the result.
**System capability**: SystemCapability.Notification.CommonEvent
**Parameters**
| Name | Type | Mandatory| Description |
| -------- | -------------------- | ---- | -------------------- |
| data | string | Yes | Result data of the common event. |
| callback | AsyncCallback\ | Yes | Callback used to return the result.|
**Example**
```js
var subscriber; // Subscriber object successfully created.
// Callback for result data setting of an ordered common event
function setDataCallback(err) {
if (err.code) {
console.error("setData failed " + JSON.stringify(err));
} else {
console.info("setData");
}
}
subscriber.setData("publish_data_changed", setDataCallback);
```
### setData
setData(data: string): Promise\
Sets the result data for this common event. This API uses a promise to return the result.
**System capability**: SystemCapability.Notification.CommonEvent
**Parameters**
| Name| Type | Mandatory| Description |
| ------ | ------ | ---- | -------------------- |
| data | string | Yes | Result data of the common event.|
**Return value**
| Type | Description |
| ---------------- | -------------------- |
| Promise\ | Promise used to return the result data.|
**Example**
```js
var subscriber; // Subscriber object successfully created.
subscriber.setData("publish_data_changed").then(() => {
console.info("setData");
}).catch((err) => {
console.error("setData failed " + JSON.stringify(err));
});
```
### setCodeAndData
setCodeAndData(code: number, data: string, callback:AsyncCallback\): void
Sets the result code and result data for this common event. This API uses a callback to return the result.
**System capability**: SystemCapability.Notification.CommonEvent
**Parameters**
| Name | Type | Mandatory| Description |
| -------- | -------------------- | ---- | ---------------------- |
| code | number | Yes | Result code of the common event. |
| data | string | Yes | Result data of the common event. |
| callback | AsyncCallback\ | Yes | Callback used to return the result.|
**Example**
```js
var subscriber; // Subscriber object successfully created.
// Callback for result code and result data setting of an ordered common event.
function setCodeDataCallback(err) {
if (err.code) {
console.error("setCodeAndData failed " + JSON.stringify(err));
} else {
console.info("setCodeDataCallback");
}
}
subscriber.setCodeAndData(1, "publish_data_changed", setCodeDataCallback);
```
### setCodeAndData
setCodeAndData(code: number, data: string): Promise\
Sets the result code and result data for this common event. This API uses a promise to return the result.
**System capability**: SystemCapability.Notification.CommonEvent
**Parameters**
| Name| Type | Mandatory| Description |
| ------ | ------ | ---- | -------------------- |
| code | number | Yes | Result code of the common event.|
| data | string | Yes | Result data of the common event.|
**Return value**
| Type | Description |
| ---------------- | -------------------- |
| Promise\ | Promise used to return the result.|
**Example**
```js
var subscriber; // Subscriber object successfully created.
subscriber.setCodeAndData(1, "publish_data_changed").then(() => {
console.info("setCodeAndData");
}).catch((err) => {
console.info("setCodeAndData failed " + JSON.stringify(err));
});
```
### isOrderedCommonEvent
isOrderedCommonEvent(callback: AsyncCallback\): void
Checks whether this common event is an ordered one. This API uses a callback to return the result.
**System capability**: SystemCapability.Notification.CommonEvent
**Parameters**
| Name | Type | Mandatory| Description |
| -------- | ----------------------- | ---- | ---------------------------------- |
| callback | AsyncCallback\ | Yes | Returns **true** if the common event is an ordered one; returns **false** otherwise.|
**Example**
```js
var subscriber; // Subscriber object successfully created.
// Callback for checking whether the current common event is an ordered one.
function isOrderedCallback(err, isOrdered) {
if (err.code) {
console.error("isOrderedCommonEvent failed " + JSON.stringify(err));
} else {
console.info("isOrdered " + JSON.stringify(isOrdered));
}
}
subscriber.isOrderedCommonEvent(isOrderedCallback);
```
### isOrderedCommonEvent
isOrderedCommonEvent(): Promise\
Checks whether this common event is an ordered one. This API uses a promise to return the result.
**System capability**: SystemCapability.Notification.CommonEvent
**Return value**
| Type | Description |
| ----------------- | -------------------------------- |
| Promise\ | Returns **true** if the common event is an ordered one; returns **false** otherwise.|
**Example**
```js
var subscriber; // Subscriber object successfully created.
subscriber.isOrderedCommonEvent().then((isOrdered) => {
console.info("isOrdered " + JSON.stringify(isOrdered));
}).catch((err) => {
console.error("isOrdered failed " + JSON.stringify(err));
});
```
### isStickyCommonEvent
isStickyCommonEvent(callback: AsyncCallback\): void
Checks whether this common event is a sticky one. This API uses a callback to return the result.
**System capability**: SystemCapability.Notification.CommonEvent
**Parameters**
| Name | Type | Mandatory| Description |
| -------- | ----------------------- | ---- | ---------------------------------- |
| callback | AsyncCallback\ | Yes | Returns **true** if the common event is a sticky one; returns **false** otherwise.|
**Example**
```js
var subscriber; // Subscriber object successfully created.
// Callback for checking whether the current common event is a sticky one.
function isStickyCallback(err, isSticky) {
if (err.code) {
console.error("isStickyCommonEvent failed " + JSON.stringify(err));
} else {
console.info("isSticky " + JSON.stringify(isSticky));
}
}
subscriber.isStickyCommonEvent(isStickyCallback);
```
### isStickyCommonEvent
isStickyCommonEvent(): Promise\
Checks whether this common event is a sticky one. This API uses a promise to return the result.
**System capability**: SystemCapability.Notification.CommonEvent
**Return value**
| Type | Description |
| ----------------- | -------------------------------- |
| Promise\ | Returns **true** if the common event is a sticky one; returns **false** otherwise.|
**Example**
```js
var subscriber; // Subscriber object successfully created.
subscriber.isStickyCommonEvent().then((isSticky) => {
console.info("isSticky " + JSON.stringify(isSticky));
}).catch((err) => {
console.error("isSticky failed " + JSON.stringify(err));
});
```
### abortCommonEvent
abortCommonEvent(callback: AsyncCallback\): void
Aborts this common event. After the abort, the common event is not sent to the next subscriber. This API takes effect only for ordered common events. It uses a callback to return the result.
**System capability**: SystemCapability.Notification.CommonEvent
**Parameters**
| Name | Type | Mandatory| Description |
| -------- | -------------------- | ---- | -------------------- |
| callback | AsyncCallback\ | Yes | Callback used to return the result.|
**Example**
```js
var subscriber; // Subscriber object successfully created.
// Callback for common event aborting.
function abortCallback(err) {
if (err.code) {
console.error("abortCommonEvent failed " + JSON.stringify(err));
} else {
console.info("abortCommonEvent");
}
}
subscriber.abortCommonEvent(abortCallback);
```
### abortCommonEvent
abortCommonEvent(): Promise\
Aborts this common event. After the abort, the common event is not sent to the next subscriber. This API takes effect only for ordered common events. It uses a promise to return the result.
**System capability**: SystemCapability.Notification.CommonEvent
**Return value**
| Type | Description |
| ---------------- | -------------------- |
| Promise\ | Promise used to return the result.|
**Example**
```js
var subscriber; // Subscriber object successfully created.
subscriber.abortCommonEvent().then(() => {
console.info("abortCommonEvent");
}).catch((err) => {
console.error("abortCommonEvent failed " + JSON.stringify(err));
});
```
### clearAbortCommonEvent
clearAbortCommonEvent(callback: AsyncCallback\): void
Clears the aborted state of this common event. This API takes effect only for ordered common events. It uses a callback to return the result.
**System capability**: SystemCapability.Notification.CommonEvent
**Parameters**
| Name | Type | Mandatory| Description |
| -------- | -------------------- | ---- | -------------------- |
| callback | AsyncCallback\ | Yes | Callback used to return the result.|
**Example**
```js
var subscriber; // Subscriber object successfully created.
// Callback for clearing the aborted state of the current common event.
function clearAbortCallback(err) {
if (err.code) {
console.error("clearAbortCommonEvent failed " + JSON.stringify(err));
} else {
console.info("clearAbortCommonEvent");
}
}
subscriber.clearAbortCommonEvent(clearAbortCallback);
```
### clearAbortCommonEvent
clearAbortCommonEvent(): Promise\
Clears the aborted state of this common event. This API takes effect only for ordered common events. It uses a promise to return the result.
**System capability**: SystemCapability.Notification.CommonEvent
**Return value**
| Type | Description |
| ---------------- | -------------------- |
| Promise\ | Promise used to return the result.|
**Example**
```js
var subscriber; // Subscriber object successfully created.
subscriber.clearAbortCommonEvent().then(() => {
console.info("clearAbortCommonEvent");
}).catch((err) => {
console.error("clearAbortCommonEvent failed " + JSON.stringify(err));
});
```
### getAbortCommonEvent
getAbortCommonEvent(callback: AsyncCallback\): void
Checks whether this common event is in the aborted state. This API takes effect only for ordered common events. It uses a callback to return the result.
**System capability**: SystemCapability.Notification.CommonEvent
**Parameters**
| Name | Type | Mandatory| Description |
| -------- | ----------------------- | ---- | ---------------------------------- |
| callback | AsyncCallback\ | Yes | Returns **true** if the ordered common event is in the aborted state; returns **false** otherwise.|
**Example**
```js
var subscriber; // Subscriber object successfully created.
// Callback for checking whether the current common event is in the aborted state.
function getAbortCallback(err, AbortCommonEvent) {
if (err.code) {
console.error("getAbortCommonEvent failed " + JSON.stringify(err));
} else {
console.info("AbortCommonEvent " + AbortCommonEvent)
}
}
subscriber.getAbortCommonEvent(getAbortCallback);
```
### getAbortCommonEvent
getAbortCommonEvent(): Promise\
Checks whether this common event is in the aborted state. This API takes effect only for ordered common events. It uses a promise to return the result.
**System capability**: SystemCapability.Notification.CommonEvent
**Return value**
| Type | Description |
| ----------------- | ---------------------------------- |
| Promise\ | Returns **true** if the ordered common event is in the aborted state; returns **false** otherwise.|
**Example**
```js
var subscriber; // Subscriber object successfully created.
subscriber.getAbortCommonEvent().then((AbortCommonEvent) => {
console.info("AbortCommonEvent " + JSON.stringify(AbortCommonEvent));
}).catch((err) => {
console.error("getAbortCommonEvent failed " + JSON.stringify(err));
});
```
### getSubscribeInfo
getSubscribeInfo(callback: AsyncCallback\): void
Obtains the subscriber information. This API uses a callback to return the result.
**System capability**: SystemCapability.Notification.CommonEvent
**Parameters**
| Name | Type | Mandatory| Description |
| -------- | ------------------------------------------------------------ | ---- | ---------------------- |
| callback | AsyncCallback\<[CommonEventSubscribeInfo](#commoneventsubscribeinfo)> | Yes | Promise used to return the subscriber information.|
**Example**
```js
var subscriber; // Subscriber object successfully created.
// Callback for subscriber information obtaining.
function getSubscribeInfoCallback(err, SubscribeInfo) {
if (err.code) {
console.error("getSubscribeInfo failed " + JSON.stringify(err));
} else {
console.info("SubscribeInfo " + JSON.stringify(SubscribeInfo));
}
}
subscriber.getSubscribeInfo(getSubscribeInfoCallback);
```
### getSubscribeInfo
getSubscribeInfo(): Promise\
Obtains the subscriber information. This API uses a promise to return the result.
**System capability**: SystemCapability.Notification.CommonEvent
**Return value**
| Type | Description |
| ------------------------------------------------------------ | ---------------------- |
| Promise\<[CommonEventSubscribeInfo](#commoneventsubscribeinfo)> | Promise used to return the subscriber information.|
**Example**
```js
var subscriber; // Subscriber object successfully created.
subscriber.getSubscribeInfo().then((SubscribeInfo) => {
console.info("SubscribeInfo " + JSON.stringify(SubscribeInfo));
}).catch((err) => {
console.error("getSubscribeInfo failed " + JSON.stringify(err));
});
```
### finishCommonEvent9+
finishCommonEvent(callback: AsyncCallback\): void
Finishes this ordered common event. This API uses a callback to return the result.
**System capability**: SystemCapability.Notification.CommonEvent
**Parameters**
| Name | Type | Mandatory| Description |
| -------- | -------------------- | ---- | -------------------------------- |
| callback | AsyncCallback\ | Yes | Callback returned after the ordered common event is finished.|
**Example**
```js
var subscriber; // Subscriber object successfully created.
// Callback for ordered common event finishing.
function finishCommonEventCallback(err) {
if (err.code) {
console.error("finishCommonEvent failed " + JSON.stringify(err));
} else {
console.info("FinishCommonEvent");
}
}
subscriber.finishCommonEvent(finishCommonEventCallback);
```
### finishCommonEvent9+
finishCommonEvent(): Promise\
Finishes this ordered common event. This API uses a promise to return the result.
**System capability**: SystemCapability.Notification.CommonEvent
**Return value**
| Type | Description |
| ---------------- | -------------------- |
| Promise\ | Promise used to return the result.|
**Example**
```js
var subscriber; // Subscriber object successfully created.
subscriber.finishCommonEvent().then(() => {
console.info("FinishCommonEvent");
}).catch((err) => {
console.error("finishCommonEvent failed " + JSON.stringify(err));
});
```
## CommonEventData
**System capability**: SystemCapability.Notification.CommonEvent
| Name | Readable/Writable| Type | Mandatory| Description |
| ---------- | -------- | -------------------- | ---- | ------------------------------------------------------- |
| event | Read only | string | Yes | Name of the common event that is being received. |
| bundleName | Read only | string | No | Bundle name. |
| code | Read only | number | No | Result code of the common event, which is used to transfer data of the int type. |
| data | Read only | string | No | Custom result data of the common event, which is used to transfer data of the string type.|
| parameters | Read only | {[key: string]: any} | No | Additional information about the common event. |
## CommonEventPublishData
**System capability**: SystemCapability.Notification.CommonEvent
| Name | Readable/Writable| Type | Mandatory| Description |
| --------------------- | -------- | -------------------- | ---- | ---------------------------- |
| bundleName | Read only | string | No | Bundle name. |
| code | Read only | number | No | Result code of the common event. |
| data | Read only | string | No | Custom result data of the common event.|
| subscriberPermissions | Read only | Array\ | No | Permissions required for subscribers to receive the common event. |
| isOrdered | Read only | boolean | No | Whether the common event is an ordered one. |
| isSticky | Read only | boolean | No | Whether the common event is a sticky one. |
| parameters | Read only | {[key: string]: any} | No | Additional information about the common event. |
## CommonEventSubscribeInfo
**System capability**: SystemCapability.Notification.CommonEvent
| Name | Readable/Writable| Type | Mandatory| Description |
| ------------------- | -------- | -------------- | ---- | ------------------------------------------------------------ |
| events | Read only | Array\ | Yes | Name of the common event to publish. |
| publisherPermission | Read only | string | No | Permissions required for publishers to publish the common event. |
| publisherDeviceId | Read only | string | No | Device ID. The value must be the ID of an existing device on the same network. |
| userId | Read only | number | No | User ID. The default value is the ID of the current user. If this parameter is specified, the value must be an existing user ID in the system.|
| priority | Read only | number | No | Subscriber priority. The value ranges from -100 to 1000. |