Agora RTC Objective-C API Reference Refactor

Data Fields
IMetadataObserver::Metadata Struct Reference

## Data Fields
const char * | channelId
unsigned int | uid
unsigned int | size
unsigned char * | buffer
long long | timeStampMs

## Constructor & Destructor Documentation

## ◆ Metadata()

Metadata | ( |  | ) |
| inline

## Field Documentation

## ◆ channelId

const char* channelId

The channel name.

## ◆ uid

unsigned int uid

The user ID.

- For the recipient: The ID of the remote user who sent the `Metadata`.
- For the sender: Ignore it.

## ◆ size

unsigned int size

The buffer size of the sent or received `Metadata`.

## ◆ buffer

unsigned char* buffer

The buffer address of the received `Metadata`.

## ◆ timeStampMs

long long timeStampMs

The timestamp (ms) of when the `Metadata` is sent.