1# NotificationActionButton
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3The **NotificationActionButton** module provides APIs for describing the button displayed in the notification.
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5> **NOTE**
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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.
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9## Attributes
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11**System capability**: SystemCapability.Notification.Notification
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13| Name     | Type                                           | Read Only | Optional | Description                     |
14| --------- | ----------------------------------------------- | --- | ---- | ------------------------- |
15| title     | string                                          | No | No | Button title.                 |
16| wantAgent | [WantAgent](../apis-ability-kit/js-apis-app-ability-wantAgent.md)   | No | No | **WantAgent** of the button. |
17| extras    | { [key: string]: any }                          | No | Yes | Extra information of the button. Not supported currently.             |
18| userInput<sup>8+</sup> | [NotificationUserInput](js-apis-inner-notification-notificationUserInput.md) | No | Yes | User input object. ID entered by a subscriber.         |
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