C++ SDK Events

onParticipantJoined()

The onParticipantJoined event listener is triggered when a remote participant joins the meeting. It receives the participant's ID and display name.

Parameters

• callback
  • type: std::function<void(const std::string& id, const std::string& name)>
  • REQUIRED

Example

meeting.onParticipantJoined([](const std::string& id, const std::string& name) {
    std::cout << "Participant joined: " << name << " (" << id << ")" << std::endl;
});

---

onParticipantLeft()

The onParticipantLeft event listener is triggered when a remote participant leaves the meeting.

Parameters

• callback
  • type: std::function<void(const std::string& id)>
  • REQUIRED

Example

meeting.onParticipantLeft([](const std::string& id) {
    std::cout << "Participant left: " << id << std::endl;
});

---

onError()

The onError event listener is triggered when an unrecoverable error occurs during the meeting session.

Parameters

• callback
  • type: std::function<void(videosdk::ErrorCode code, const std::string& message)>
  • REQUIRED

Example

meeting.onError([](videosdk::ErrorCode code, const std::string& message) {
    std::cerr << "Error: " << message << std::endl;
});