Data Models

Log Type	Description	Example Use Case
Impression	Records each time an impression is generated. Includes metadata like creative, campaign, and placement.	Tracking ad delivery
Click	Captures when a user clicks on an ad. Includes timestamp, device info, and associated impression metadata.	Analyze click-through rates (CTR), user engagement, or measure ad creative performance.
Conversion	Logged when a conversion event is attributed to a prior ad interaction (e.g. click or view). See Attribution.	Track attribute sales that occur from ads
Custom Event	Tracks custom events (e.g. add to cart, add to wish list).	Track additional engagement metrics associated to ads
Request	Logs every ad request made to Kevel's Decision API	Gain visibility in to Ad Decision Requests sent to Kevel
Decision	Contains detailed information for each placement you've asked Kevel to fill via Kevel's Ad Decision API	Gain visibility in to Ad Decision Requests sent to Kevel, and for monitoring fill-rate in combination with Selection logs
Auction	Records bidding data for each auction that occurs, including all bids and their projected values.	Audit pricing and bidding logic, or build advanced bidding and auction health metrics
Selection	Records final ad selections made by Kevel	Gain further visibility in to each ad that Kevel has selected to serve.
UserDB	Logs events related to user data writes and updates to Kevel’s UserDB (e.g. segmentation updates).	Monitor updates made to UserDB.