code: public void createChatRoom(final List<String> conversationMembers, String name, final Map<String, Object> attributes,
                               final boolean isUnique, final AVIMConversationCreatedCallback callback) {
      this.createConversation(conversationMembers, name, attributes, true, false, callback);
    }
docs: Create a new Chatroom
  
  @param conversationMembers
  @param name
  @param attributes
  @param isUnique deprecated chatroom is always not unique.
  @param callback