Agora RTC Objective-C API Reference Refactor

<AgoraMediaFilterEventDelegate> Protocol Reference

Inherits <NSObjectNSObject>.

## Method Documentation

## ◆ onEventWithContext:key:value:

- (void) onEventWithContext: |  | (AgoraExtensionContext *_Nonnull) | context
key: |  | (NSString *_Nullable) | key
value: |  | (NSString *_Nullable) | value
| optional

## ◆ onExtensionStartedWithContext:

- (void) onExtensionStartedWithContext: |  | (AgoraExtensionContext *_Nonnull) | context |
| optional

## ◆ onExtensionStoppedWithContext:

- (void) onExtensionStoppedWithContext: |  | (AgoraExtensionContext *_Nonnull) | context |
| optional

## ◆ onExtensionErrorWithContext:error:message:

- (void) onExtensionErrorWithContext: |  | (AgoraExtensionContext *_Nonnull) | context
error: |  | (int) | error
message: |  | (NSString *_Nullable) | message
| optional