# Reminder Agent >**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. ## Modules to Import ``` import reminderAgent from '@ohos.reminderAgent'; ``` ## System Capabilities SystemCapability.Notification.ReminderAgent ## Required Permissions ohos.permission.PUBLISH\_AGENT\_REMINDER ## reminderAgent.publishReminder publishReminder\(reminderReq: ReminderRequest, callback: AsyncCallback\): void Publishes an agent-powered reminder. This method uses an asynchronous callback to return the published reminder's ID. - Parameters

Name	Type	Mandatory	Description
reminderReq	ReminderRequest	Yes	Reminder to be published.
callback	AsyncCallback<number>	Yes	Asynchronous callback used to return the result.

- Example ``` export default { data: { timer: { reminderType: reminderAgent.ReminderType.REMINDER_TYPE_TIMER, triggerTimeInSeconds: 3 } }, startTimer() { reminderAgent.publishReminder(timer, (err, reminderId) => { console.log("reminderId = " + reminderId); }); } } ``` ## reminderAgent.publishReminder publishReminder\(reminderReq: ReminderRequest\): Promise Publishes an agent-powered reminder. This method uses a promise callback to return the published reminder's ID. - Parameters

Name	Type	Mandatory	Description
reminderReq	ReminderRequest	Yes	Reminder to be published.

- Return values

Type	Description
Promise<number>	Promise used to return the result.

- Example ``` export default { data: { timer: { reminderType: reminderAgent.ReminderType.REMINDER_TYPE_TIMER, triggerTimeInSeconds: 3 } }, startTimer() { reminderAgent.publishReminder(this.timer).then((reminderId) => { console.log("reminderId = " + reminderId); }); } } ``` ## reminderAgent.cancelReminder cancelReminder\(reminderId: number, callback: AsyncCallback\): void Cancels the reminder with the specified ID. This method uses an asynchronous callback to return the cancellation result. - Parameters

Name	Type	Mandatory	Description
reminderId	number	Yes	ID of the reminder to cancel.
callback	AsyncCallback<void>	Yes	Asynchronous callback used to return the result.

- Example ``` export default { cancel() { reminderAgent.cancelReminder(1, (err, data) => { console.log("do next"); }); } } ``` ## reminderAgent.cancelReminder cancelReminder\(reminderId: number\): Promise Cancels the reminder with the specified ID. This method uses a promise to return the cancellation result. - Parameters

Name	Type	Mandatory	Description
reminderId	number	Yes	ID of the reminder to cancel.

- Return values

Type	Description
Promise<void>	Promise used to return the result.

- Example ``` export default { cancel() { reminderAgent.cancelReminder(1).then(() => { console.log("do next"); }); } } ``` ## reminderAgent.getValidReminders getValidReminders\(callback: AsyncCallback\>\): void Obtains all valid \(not yet expired\) reminders set by the current application. This method uses an asynchronous callback to return the reminders. - Parameters

Name	Type	Mandatory	Description
callback	AsyncCallback<Array<ReminderRequest>>	Yes	Asynchronous callback used to return an array of all valid reminders set by the current application.

- Example ``` reminderAgent.getValidReminders((err, reminders) => { for (let i = 0; i < reminders.length; i++) { console.log("getValidReminders = " + reminders[i]); console.log("getValidReminders, reminderType = " + reminders[i].reminderType); for (let j = 0; j < reminders[i].actionButton.length; j++) { console.log("getValidReminders, actionButton.title = " + reminders[i].actionButton[j].title); console.log("getValidReminders, actionButton.type = " + reminders[i].actionButton[j].type); } console.log("getValidReminders, wantAgent.pkgName = " + reminders[i].wantAgent.pkgName); console.log("getValidReminders, wantAgent.abilityName = " + reminders[i].wantAgent.abilityName); console.log("getValidReminders, maxScreenWantAgent.pkgName = " + reminders[i].maxScreenWantAgent.pkgName); console.log("getValidReminders, maxScreenWantAgent.abilityName = " + reminders[i].maxScreenWantAgent.abilityName); console.log("getValidReminders, ringDuration = " + reminders[i].ringDuration); console.log("getValidReminders, snoozeTimes = " + reminders[i].snoozeTimes); console.log("getValidReminders, timeInterval = " + reminders[i].timeInterval); console.log("getValidReminders, title = " + reminders[i].title); console.log("getValidReminders, content = " + reminders[i].content); console.log("getValidReminders, expiredContent = " + reminders[i].expiredContent); console.log("getValidReminders, snoozeContent = " + reminders[i].snoozeContent); console.log("getValidReminders, notificationId = " + reminders[i].notificationId); console.log("getValidReminders, slotType = " + reminders[i].slotType); } }) ``` ## reminderAgent.getValidReminders getValidReminders\(\): Promise\> Obtains all valid \(not yet expired\) reminders set by the current application. This method uses a promise to return the reminders. - Return values

Type	Description
Promise<Array<ReminderRequest>>	Promise used to return an array of all valid reminders set by the current application.

- Example ``` reminderAgent.getValidReminders().then((reminders) => { for (let i = 0; i < reminders.length; i++) { console.log("getValidReminders = " + reminders[i]); console.log("getValidReminders, reminderType = " + reminders[i].reminderType); for (let j = 0; j < reminders[i].actionButton.length; j++) { console.log("getValidReminders, actionButton.title = " + reminders[i].actionButton[j].title); console.log("getValidReminders, actionButton.type = " + reminders[i].actionButton[j].type); } console.log("getValidReminders, wantAgent.pkgName = " + reminders[i].wantAgent.pkgName); console.log("getValidReminders, wantAgent.abilityName = " + reminders[i].wantAgent.abilityName); console.log("getValidReminders, maxScreenWantAgent.pkgName = " + reminders[i].maxScreenWantAgent.pkgName); console.log("getValidReminders, maxScreenWantAgent.abilityName = " + reminders[i].maxScreenWantAgent.abilityName); console.log("getValidReminders, ringDuration = " + reminders[i].ringDuration); console.log("getValidReminders, snoozeTimes = " + reminders[i].snoozeTimes); console.log("getValidReminders, timeInterval = " + reminders[i].timeInterval); console.log("getValidReminders, title = " + reminders[i].title); console.log("getValidReminders, content = " + reminders[i].content); console.log("getValidReminders, expiredContent = " + reminders[i].expiredContent); console.log("getValidReminders, snoozeContent = " + reminders[i].snoozeContent); console.log("getValidReminders, notificationId = " + reminders[i].notificationId); console.log("getValidReminders, slotType = " + reminders[i].slotType); } }) ``` ## reminderAgent.cancelAllReminders cancelAllReminders\(callback: AsyncCallback\): void Cancels all reminders set by the current application. This method uses an asynchronous callback to return the cancellation result. - Parameters

Name	Type	Mandatory	Description
callback	AsyncCallback<void>	Yes	Asynchronous callback used to return the result.

- Example ``` reminderAgent.cancelAllReminders((err, data) =>{ console.log("do next")} ) ``` ## reminderAgent.cancelAllReminders cancelAllReminders\(\): Promise Cancels all reminders set by the current application. This method uses a promise to return the cancellation result. - Return values

Type	Description
Promise<void>	Promise used to return the result.

- Example ``` reminderAgent.cancelAllReminders().then(() => { console.log("do next")} ) ``` ## reminderAgent.addNotificationSlot addNotificationSlot\(slot: NotificationSlot, callback: AsyncCallback\): void Adds a reminder notification slot. This method uses an asynchronous callback to return the result. - Parameters

Name	Type	Mandatory	Description
slot	NotificationSlot	Yes	Reminder notification slot to add.
callback	AsyncCallback<void>	Yes	Asynchronous callback used to return the result.

- Example ``` export default { data: { mySlot: { type: 3, sound: "/sdcard/music2.mp3" } }, addSlot() { reminderAgent.addNotificationSlot(this.mySlot, (err, data) => { console.log("do next"); }); } } ``` ## reminderAgent.addNotificationSlot addNotificationSlot\(slot: NotificationSlot\): Promise Adds a reminder notification slot. This method uses a promise to return the result. - Parameters

Name	Type	Mandatory	Description
slot	NotificationSlot	Yes	Reminder notification slot to add.

- Return values

Type	Description
Promise<void>	Promise used to return the result.

- Example ``` export default { data: { mySlot: { type: 3, sound: "/sdcard/music2.mp3" } }, addSlot() { reminderAgent.addNotificationSlot(this.mySlot).then(() => { console.log("do next"); }); } } ``` ## reminderAgent.removeNotificationSlot removeNotificationSlot\(slotType: notification.SlotType, callback: AsyncCallback\): void Removes a **NotificationSlot** instance of a specified type. This method uses an asynchronous callback to return the result. - Parameters

Name	Type	Mandatory	Description
slotType	notification.SlotType	Yes	Type of the reminder notification slot to remove.
callback	AsyncCallback<void>	Yes	Asynchronous callback used to return the result.

- Example ``` export default { removeSlot() { reminderAgent.removeNotificationSlot(notification.SlotType.CONTENT_INFORMATION, (err, data) => { console.log("do next"); }); } } ``` ## reminderAgent.removeNotificationSlot removeNotificationSlot\(slotType: notification.SlotType\): Promise Removes a **NotificationSlot** instance of a specified type. This method uses a promise to return the result. - Parameters

Name	Type	Mandatory	Description
slotType	notification.SlotType	Yes	Type of the reminder notification slot to remove.

- Return values

Type	Description
Promise<void>	Promise used to return the result.

- Example ``` export default { removeSlot() { reminderAgent.removeNotificationSlot(notification.SlotType.CONTENT_INFORMATION).then(() => { console.log("do next"); }); } } ``` ## ActionButtonType Enumerates button types.

Name	Default Value	Description
ACTION_BUTTON_TYPE_CLOSE	0	Button for closing the reminder.
ACTION_BUTTON_TYPE_SNOOZE	1	Button for snoozing the reminder.

## ReminderType Enumerates reminder types.

Name	Default Value	Description
REMINDER_TYPE_TIMER	0	Countdown reminder.
REMINDER_TYPE_CALENDAR	1	Calendar reminder.
REMINDER_TYPE_ALARM	2	Alarm reminder.

## ActionButton Defines a button displayed in the reminder notification.

Name	Type	Mandatory	Description
title	string	Yes	Text on the button.
type	ActionButtonType	Yes	Button type.

## WantAgent Sets the package and ability that are redirected to when the reminder notification is clicked.

Name	Type	Mandatory	Description
pkgName	string	Yes	Name of the package redirected to when the reminder notification is clicked.
abilityName	string	Yes	Name of the ability that is redirected to when the reminder notification is clicked.

## MaxScreenWantAgent Sets the name of the target package and ability to start automatically when the reminder arrives and the device is not in use. If the device is in use, a notification will be displayed.

Name	Type	Mandatory	Description
pkgName	string	Yes	Name of the package that is automatically started when the reminder arrives and the device is not in use.
abilityName	string	Yes	Name of the ability that is automatically started when the reminder arrives and the device is not in use.

## ReminderRequest Defines the reminder to publish.

Name	Type	Mandatory	Description
reminderType	ReminderType	Yes	Type of the reminder.
actionButton	[ActionButton?, ActionButton?]	No	Action button displayed in the reminder notification. (The parameter is optional. Up to two buttons are supported.)
wantAgent	WantAgent	No	Information about the ability that is redirected to when the notification is clicked.
maxScreenWantAgent	MaxScreenWantAgent	No	Information about the ability that is automatically started when the reminder arrives. If the device is in use, a notification will be displayed.
ringDuration	number	No	Ringing duration.
snoozeTimes	number	No	Number of reminder snooze times.
timeInterval	number	No	Reminder snooze interval.
title	string	No	Reminder title.
content	string	No	Reminder content.
expiredContent	string	No	Content to be displayed after the reminder expires.
snoozeContent	string	No	Content to be displayed when the reminder is snoozing.
notificationId	number	No	Notification ID used by the reminder. If there are reminders with the same notification ID, the later one will overwrite the earlier one.
slotType	notification.SlotType	No	Type of the slot used by the reminder.

## ReminderRequestCalendar ReminderRequestCalendar extends ReminderRequest Defines a reminder for a calendar event.

Name	Type	Mandatory	Description
dateTime	LocalDateTime	Yes	Reminder time.
repeatMonths	Array<number>	No	Month in which the reminder repeats.
repeatDays	Array<number>	No	Date on which the reminder repeats.

## ReminderRequestAlarm ReminderRequestAlarm extends ReminderRequest Defines a reminder for the alarm clock.

Name	Type	Mandatory	Description
hour	number	Yes	Hour portion of the reminder time.
minute	number	Yes	Minute portion of the reminder time.
daysOfWeek	Array<number>	No	Days of a week when the reminder repeats.

## ReminderRequestTimer Defines a **ReminderRequestTimer** instance, which extends **ReminderRequest**. Defines a reminder for a scheduled timer.

Name	Type	Mandatory	Description
triggerTimeInSeconds	number	Yes	Number of seconds in the countdown timer.

## LocalDateTime Sets the time information for a calendar reminder.

Name	Type	Mandatory	Description
year	number	Yes	Year.
month	number	Yes	Month.
day	number	Yes	Date.
hour	number	Yes	Hour.
minute	number	Yes	Minute.
second	number	No	Second.