Show message (routing action)

 Use this action to create a routing instruction that will display a message to the interviewer or respondent. You can define this message as being blocking or non-blocking. If a message is blocking, the respondent will not be able to go on to the next screen of the questionnaire until the routing instruction's condition is met.

It is possible to make reference to a variable using the ?? ?? tags, For example:

Please review your answers, knowing you previously answered: ??Q1??.