1# NotificationActionButton 2 3The **NotificationActionButton** module describes the button displayed in the notification. 4 5> **NOTE** 6> 7> 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. 8 9**System capability**: SystemCapability.Notification.Notification 10 11| Name | Type | Readable| Writable| Description | 12| --------- | ----------------------------------------------- | --- | ---- | ------------------------- | 13| title | string | Yes | Yes | Button title. | 14| wantAgent | [WantAgent](js-apis-app-ability-wantAgent.md) | Yes | Yes | **WantAgent** of the button.| 15| extras | { [key: string]: any } | Yes | Yes | Extra information of the button. | 16| userInput<sup>8+</sup> | [NotificationUserInput](js-apis-inner-notification-notificationUserInput.md) | Yes | Yes | User input object. | 17