The first step towards creating this advanced interactive sequence is to create the variables that you will need to track the ticket types visited by the students.
- Still in the Chapter13/takeTheTrain.cptx file, use the Project | Variables menu item to open the Variables dialog box.
- At the top of the Variables dialog, click the Add New button.
- Type v_standardTicket_visited as the variable name.
- Type 0 as the initial value of the variable.
- Optionally type a meaningful description in the Description field.
- Click the Save button to save the new variable.
- Repeat the above process to create the v_pass_visited and the v_subscription_visited variables.
Make sure that the Variables dialog looks like the ...