Agora RTC Objective-C API Reference Refactor

Properties
AgoraRtmJoinTopicOption Class Reference

Inherits <NSObject>.

## Properties
AgoraRtmMessageQos | qos
NSData * | meta

## Detailed Description

Create topic options.

## Property Documentation

## ◆ qos

- (AgoraRtmMessageQos) qos
| readwritenonatomicassign

The qos of rtm message.

## ◆ meta

- (NSData*) meta
| readwritenonatomicassign

The metaData of topic.