Conditional Alerts/Popups Extension is designed to trigger popups/alerts based on a certain field(s) value on the record. It supports edit/create views, meaning that as you fill in the field – you can trigger an alert/popup on the screen and prevent record from being saved,
How to Create Alert/Popup
Go to Menu >> Settings >> CRM Settings >> Other Settings >> Conditional Alert/Popup. Click on the “New Conditional Alert/Popup” button.
Select the Module and enter the description.
Add Condition for which you want to get alert of.
Click on the “Add Task” button to specify alert.
Enter the Alert title. Enable/Disable alert opetions according to your needs.
When you open/create a record it will show you an alert when the condition is true.