Notifications are available for these type of Interval Behaviors:
Frequency Interval
Partial Interval
Whole Interval
Momentary Time Sampling
Notifications are enabled when both of the below are true:
the length of each interval is 30 seconds or greater
Show Interval Notifications in Account Settings is Yes
This is the default setting
Notifications are displayed when:
There is 10 seconds before an interval ends
The last interval has ended
How to enable or disable Interval Notifications
Click on the email address in the bottom right of the blue navbar
Click on Account Settings
In the Show Interval Notifications section Account Settings:
Toggle Yes or No