String eventName
int eventId
double revenue
String currencyCode
String refId
List<E> eventItems
String receiptData
String receiptSignature
String contentType
String contentId
int level
int quantity
String searchString
double rating
Date date1
Date date2
String attribute1
String attribute2
String attribute3
String attribute4
String attribute5
String deviceForm
Set<E> tags
Set<E> addedTags
String sessionId
long createdDate
long lastSessionDate
int userSessionCount
long sessionLength