You can use a warning to display a message to users when the answer to a question meets conditions that you define. By providing feedback about the current values in a survey, you can encourage users to provide complete answers.
    
      You must purchase a separate license before using survey functionality in your application. 
     
    
    - 
         Click  to open the Survey Management landing page.
      
- 
        On the Questions tab, click a question.
      
- 
        Expand the Warnings section.
      
- 
        Define the conditions that control whether the warning is displayed.
        
          The types of conditions that you can use are based on the type of question. 
 
          - 
            To use a when condition: Use this approach when users complete your survey online. 
              - 
                 In the Visibility list, select Condition (when
                    rule).  
- 
                 In the Warning when field, press the Down Arrow key and
                  select the name of a when condition that evaluates property values in the survey.
                 
 
- 
            To use a Boolean expression: Use this approach users complete your survey offline. 
              - 
                 In the Visibility list, select Condition
                    (expression).  
- 
                 In the Warning expression field, enter a string
                  expression that evaluates property values in the survey.  
 
- 
            To use a combination of when conditions and Boolean expressions: 
              - 
                 In the Visibility list, select Condition
                    (expression).  
- 
                 Click the Condition builder icon to open the
                    Visible when dialog box.  
- 
                Enter values in the fields based on the type of conditions and property values to
                  evaluate at run time. 
- 
                 Click Save changes to close the Visible
                    when dialog box.  
 
 
- 
        Click Save.