To use a trigger in a broadcast or media, you must first add it. To do so, perform the following steps:
In the sidebar, click Triggers.
Select New Trigger in the header.
Enter a name for the trigger.
Select a type of trigger:
Dayparts: Select and set one or more dates and times.
Timer: Select and set the timer interval in minutes and seconds.
External: Select and add an external trigger.
Click Save to save your trigger.