Hatched shifts (list- or calendar-view) are not yet fully engaged.
In order to apply for a shift simply click on it and on “Apply now”.
You are now on the list of applicants for this specific shift.
The „?“ indicates that you have applied for the shift but your application has not yet been accepted.
You will be notified by email whether your application has been accepted or rejected. If your application is being accepted and you are assigned to the shift the question mark turns into a manikin symbol.