Dynamic smart tip based on the value selected from drop down list of a field

Summary:

How to create dynamic smart tip based on the value selected from drop down list of a field.

For example: If we take the Job field having drop down values (Sales, marketing.. etc) to select. If user selects 'Sales' as a value the smart tip message should show related to 'sales' and if the user selects 'marketing' as a value the smart tip message should change dynamically related to 'marketing'.

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