code: def get_broadcast_events(cls, script):
          
          events = Counter()
          for name, _, block in cls.iter_blocks(script):
              if 'broadcast %s' in name:
                  if isinstance(block.args[0], kurt.Block):
                      events[True] += 1
                  else:
                      events[block.args[0].lower()] += 1
          return events
docs: Return a Counter of event-names that were broadcast.
  
          The Count will contain the key True if any of the broadcast blocks
          contain a parameter that is a variable.