API Reference > imodeljs-frontend > Notifications > NotificationManager > outputActivityMessage outputActivityMessage Method Output an activity message to the user. outputActivityMessage(_messageText: string | HTMLElement, _percentComplete: number): boolean Parameter Type Description _messageText string | HTMLElement The message text. _percentComplete number The percentage of completion. Returns - boolean true if the message was displayed, false if the message could not be displayed. Defined in core/frontend/src/NotificationManager.ts Line 211 Last Updated: 29 November, 2022