1)

Click the "Add" icon

2)

Click on "Add Tooltips"

3)

Enter a name and if you have decided to add a tooltip on the exact URL then select the option in the URL Rule section and click Submit

4)

Enter Tooltip name, add rules if you have selected Rules engine and click Submit

5)

You can select when to display the tooltip message and also select its position 

Enter Tooltip Message

6)

Select a validation rule from the drop down

7)

Enter Validation Message

8)

In this both are selected

Select a Validation Rule from the drop down

9)

Select a Validation Rule from the drop down

10)

Enter Validation Message

Select icon position