1# NotificationUserInput 2 3The **NotificationUserInput** module provides APIs for defining the notification user input. 4 5> **NOTE** 6> 7> 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. 8 9## NotificationUserInput 10 11**System capability**: SystemCapability.Notification.Notification 12 13| Name | Type | Mandatory| Description | 14| -------- | ------ | ---- | ----------------------------- | 15| inputKey | string | Yes | Key to identify the user input.| 16