The reason why you have created the Shared action of the previous section is to be able to track which ticket type the students have visited. In this section, you will use that information to show the Continue button on slide 13 only when all three ticket types have been visited at least once. The first step is to hide the Continue button and to give it a name.
- Use the Filmstrip to go to slide 13 of the Chapter 13/takeTheTrain.cptx file.
- Select the Continue button in the bottom right corner of the slide.
- At the top of the Properties inspector, give this button a meaningful name (for example, btn_continue) and press Enter to validate.
- Use the Timeline panel or the Timing inspector to make ...