Navigating to alert menu
Apply script to your chart and navigate to "More" tab (●●●) located on script title bar.
Select "Add alert" from pop-up menu
Setting an alert
Select desired alert from drop-down menu. Please note that required bar confirmations are hard coded into the alerts by default. To ensure normal alert functions keep trigger at "Only once". Once you've finished setting the alert, click "Create".
You can manage alerts from "Alerts" tab found on side bar at right.