1/Add a property in spatial halls have the same start and end time
2/Hall for two tasks at the same time
Please use better topics. Use 2 topics if you have 2 questions.
about "Add a property in spatial halls have the same start and end time":
maybe i misunderstood, but just use fet -> data -> activities -> a set of activities have same starting time (day + hour)
about: "Hall for two tasks at the same time"
please see:
http://lalescu.ro/liviu/fet/forum/index.php?topic=1456.0