No "Collapse when hidden button"

I’m building a LinkedIn clone, but when it comes to collapsing groups in pop-ups, etc… I cannot find the tickable box. Is there any way to create a conditional with the same effect? Or how do I fix it?

Screenshot/s?

If you can’t find the collapse setting, it is likely because the parent container’s type is set to fixed (which you can see on the group’s layout tab). If you set the parent container’s type to anything other than fixed, the collapse setting should appear for the group.

it should be in the “layout” tab of the element.