You can manually log user events and send them with each report using this method. This method takes a single string.
Instabug.logUserEvent(withName: "Skipped Walkthrough")
[Instabug logUserEventWithName:@"Skipped Walkthrough"];
logUserEvent(String eventIdentifier);
Instabug.logUserEventWithName("OnFeedbackButtonClicked");
cordova.plugins.instabug.logUserEventWithName('event', successCb, errorCb)
//iOS
Instabug.LogUserEventWithName("User Event");
//Android
//Not supported yet.