protected CreateRegionMessage getCreateRegionMessage(Set recps, ReplyProcessor21 proc,
      boolean useMcast) {
    CreateRegionMessage msg = new CreateRegionMessage();
    msg.regionPath = newRegion.getFullPath();
    msg.profile = (CacheProfile) newRegion.getProfile();
    msg.processorId = proc.getProcessorId();
    msg.concurrencyChecksEnabled = newRegion.getAttributes().getConcurrencyChecksEnabled();
    msg.setMulticast(useMcast);
    msg.setRecipients(recps);
    return msg;
  }
this method tells other members that the region is being created
geode-core/src/main/java/org/apache/geode/internal/cache/CreateRegionProcessor.java