code: public int addReply(int conversationId, String text) {
  		return getResourceFactory()
  				.getApiResource("/conversation/" + conversationId + "/reply")
  				.entity(new MessageCreate(text),
  						MediaType.APPLICATION_JSON_TYPE)
  				.get(MessageCreateResponse.class).getMessageId();
  	}
docs: Creates a reply to the conversation.
  
  @param conversationId
  The id of the conversation to reply to
  @param text
  The text of the reply
  @return The id of the new message