# NotificationUserInput

The **NotificationUserInput** module provides APIs for defining the notification user input.

> **NOTE**
>
> The initial APIs of this module are supported since API version 8. Newly added APIs will be marked with a superscript to indicate their earliest API version.

## NotificationUserInput

**System capability**: SystemCapability.Notification.Notification

| Name    | Type   | Read Only | Optional | Description                         |
| -------- | ------ |----- | ---- | ----------------------------- |
| inputKey | string | No  |  No | Key to identify the user input. |