Release Notes and Announcements
Product Introduction
Purchase Guide
- Billing Overview
- Free Minutes
- Monthly subscription
- Pay-as-you-go
- TRTC Overdue and Suspension Policy
- FAQs
- Refund Instructions
User Tutorial
Free Demo
Call
- Overview
- Activate the Service
- Run Demo
- Integration
- Offline Call Push
- Conversational Chat
- On-Cloud Recording
- AI Noise Reduction
- UI Customization
- Calls integration to Chat
- Additional Features
- No UI Integration
- Server APIs
- Client APIs
- Solution
- ErrorCode
- Release Notes
- FAQs
Conference
- Overview（TUIRoomKit）
- Activate the Service (TUIRoomKit)
- Run Demo（TUIRoomKit）
- Integration（TUIRoomKit）
- Screen Sharing (TUIRoomKit)
- Schedule a meeting (TUIRoomKit)
- In-meeting Call (TUIRoomKit)
- UI Customization（TUIRoomKit）
- Virtual Background (TUIRoomKit)
- Conference Control (TUIRoomKit)
- Cloud Recording (TUIRoomKit)
- AI Noise Reduction (TUIRoomKit)
- In-Conference Chat (TUIRoomKit)
- Robot Streaming (TUIRoomKit)
- Enhanced Features (TUIRoomKit)
- Client APIs (TUIRoomKit)
- Server APIs (TUIRoomKit)
- FAQs (TUIRoomKit)
- Error Code (TUIRoomKit)
- SDK Update Log (TUIRoomKit)
Live
- Billing of Video Live Component
- Overview
- Activating the Service (TUILiveKit)
- Run Demo
- No UI Integration
- UI Customization
- Live Broadcast Monitoring
- Video Live Streaming
- Voice Chat Room
- 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
- Stream mixing and relay APIs
- On-cloud recording APIs
- Data Monitoring APIs
- Pull stream Relay Related interface
- Web Record APIs
- AI Service 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
Console Guide
- Application Management
- Package Management
- Usage Statistics
- Monitoring Dashboard
- Development Assistance
Solution
- Real-Time Chorus
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
TRTC Policy
- Privacy Policy
- Data Processing And Security Agreement
Glossary

Define

Focus Mode

Font Size

Last updated: 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.

Help and Support

Was this page helpful?

You can also Contact sales or Submit a Ticket for help.

Help us improve! Rate your documentation experience in 5 mins.

Feedback

tencent cloud

Tencent Real-Time Communication

Define

Introduction

Features

Data Structures

CompletionHandler

Help and Support

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