code: public boolean createChildScope(String name) {
          // quick lookup by name
          log.debug("createChildScope: {}", name);
          if (children.hasName(name)) {
              log.debug("Scope: {} already exists, children: {}", name, children.getNames());
          } else {
              return addChildScope(new Builder(this, ScopeType.ROOM, name, false).build());
          }
          return false;
      }
docs: Create child scope of room type, with the given name.
  
  @param name child scope name
  @return true on success, false otherwise