in src/apache-unomi-tracker.js [408:427]
collectEvents: function (events, successCallback = undefined, errorCallback = undefined) {
if (wem.fallback) {
// in case of fallback we don't want to collect any events
return;
}
events.sessionId = wem.sessionID ? wem.sessionID : '';
var data = JSON.stringify(events);
wem.ajax({
url: wem.contextServerUrl + '/eventcollector',
type: 'POST',
async: true,
contentType: 'text/plain;charset=UTF-8', // Use text/plain to avoid CORS preflight
data: data,
dataType: 'application/json',
success: successCallback,
error: errorCallback
});
},