Agora RTC Objective-C API Reference Refactor

Instance Methods
<AgoraMediaMetadataDelegate> Protocol Reference

Inherits <NSObject>.

## Instance Methods
(void) | - receiveMetadata:fromUser:atTimestamp:

## Detailed Description

The definition of AgoraMediaMetadataDelegate.

Note
  Implement the callback in this protocol in the critical thread. We recommend avoiding any time-consuming operation in the critical thread.

## Method Documentation

## ◆ receiveMetadata:fromUser:atTimestamp:

- (void) receiveMetadata: |  | (NSData *_Nonnull) | data
fromUser: |  | (NSInteger) | uid
atTimestamp: |  | (NSTimeInterval) | timestamp
| required

Occurs when the local user receives the metadata.

Parameters

  data | The received metadata.
  uid | The ID of the user who sends the metadata.
  timestamp | The NTP timestamp (ms) when the metadata is sent.

Note
  If the receiver is audience, the receiver cannot get the NTP timestamp (ms) from `timestamp`.