Normal events like mounting and unmounting of a share as well as warnings and errors are reported to the user via system notifications. By default, when the user is notified about a normal event, a notification pops up silently. With warnings and errors a sound is also played. The screenshot below shows the notification that pops up after a share has been mounted.
The default behavior of each notification can be changed via the System Settings.
Notifications can be managed via the System Settings. To modify the behavior of a notification, navigate to the page. For Plasma™ 5.21 and up, next click the button beside the label Applications and choose Smb4K from the list that appears. Clicking the opens the following dialog:
Here, all available notifications are shown in the list view and can be edited, enabled, or disabled, any way you like.