Attach to a new topic
Your application can create an attachment to a new topic. The attachNewTopic method creates an attachment to a new topic. For information about the attachmentInput argument, see Attach to an existing topic.
attachNewTopic method
TopicResult attachNewTopic(TopicsServiceContext topicsServiceContext,
TopicInput topicInput, AttachmentInput attachmentInput)
throws InvalidArgumentException, TopicsServiceException;