Hide layer based on state multiple pictures
I'm stuck. I am trying to hide the next button until the student clicks all of the pictures. I created a layer that hides the next that is show when timeline starts. Each picture has a "selected" state. I have tried the trigger
Hide Layer "Hide Next" When state on All of (all the pictures checked) are selected.
The problem is that it hides the layer when the first picture is selected. I need all of the pictures to be selected before the Hide Next layer is hidden.
What am I doing wrong?