Release Notes and Announcements
Product Introduction
Purchase Guide
- Billing Overview
- Free Minutes
- Monthly subscription
- RTC Engine Top-Up Package
- Pay-as-you-go
- TRTC Overdue and Suspension Policy
- FAQs
- Refund Instructions
Call
- Overview
- Activate the Service
- Run Demo
- Integration
- Offline Call Push
- Conversational Chat
- Call Recording
- AI Noise Reduction
- AI Real-Time Translation
- UI Customization
- Calls integration to Chat
- Additional Features
- No UI Integration
- Server APIs
- Client APIs
- Solution
- ErrorCode
- Release Notes
- FAQs
Conference
- Overview
- Activate the Service
- Run Demo
- Integration（with UI)
- No UI Integration
- Advanced Features
- Server APIs
- FAQs
Live
- Billing of Video Live Component
- Overview
- Activating the Service
- Run Demo
- Preparation
- Video Live Streaming
- Voice Chat Room
- Live Interactive
- Live Management
- UI Components
- Core SDK
- Advanced Features
- Client APIs
- Server APIs
- Error Codes
- Release Notes
- FAQs
RTC Engine
- Activate Service
- SDK Download
- API Examples
- Usage Guidelines
- API Reference Manual
- Advanced Features
AI Integration
RTC RESTFUL API
- History
- Introduction
- API Category
- Room Management APIs
- Retweet APIs
- On-cloud recording APIs
- Data Monitoring APIs
- Push Online Media Stream APIs
- Page Recording APIs
- AI Service APIs
- Legacy APIs
- Cloud Slicing APIs
- Cloud Moderation APIs
- Companion Transcription APIs
- Making API Requests
- Call Quality Monitoring APIs
- Usage Statistics APIs
- Data Types
- Appendix
- Error Codes
FAQs
Legacy Documentation
- RTC RoomEngine SDK（Old）
- Integrating TUIRoom (Web)
- Integrating TUIRoom (Android)
- Integrating TUIRoom (iOS)
- Integrating TUIRoom (Flutter)
- Integrating TUIRoom (Electron)
- TUIRoom APIs
- On-Cloud Recording and Playback (Old)
- RTC Analytics Monthly Packages (Previous Version)
Protocols and Policies
Política TRTC
- Política de privacidade
- Contrato de segurança e processamento de dados

Define

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Última atualização: 2026-03-05 16:32:07

Introduction
This module defines common base types across platforms, providing unified error handling and callback mechanisms for API calls.
Features
Callback Mechanism：Provides unified completion callback closure types
Data Structures
CompletionHandler
Completion callback interface
Interface for asynchronous operation result callbacks. Calls onSuccess on success, onFailure on failure.
Properties
Property
Type
Description
errorCode
int
Error code.
errorMessage
String?
Error message description.
isSuccess
bool
Whether successful.

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Define

Introduction

Features

Data Structures

CompletionHandler

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Property	Type	Description
errorCode	int	Error code.
errorMessage	String?	Error message description.
isSuccess	bool	Whether successful.