If you have bidders using the Auctria mobile bidding app you can send them direct notifications.
Click on the Send Notification button on the Communication page
You can then enter a message and title and select the bidders to send it to:
Only bidders that have the app installed and have signed in to your event will receive the notification.
Bidders will see the notification pop up on their phones:
They can also use the Messages page of the app to review messages they have been sent.