         wmf_push(viewControllerToCommit, animated: true)
     }
 }
+
+extension OnThisDayViewController: EventLoggingEventValuesProviding {
+    var eventLoggingCategory: EventLoggingCategory {
+        return .feed
+    }
+    
+    var eventLoggingLabel: EventLoggingLabel? {
+        return .onThisDay
+    }
+}

import WMF;

@objc(WMFOnThisDayViewController)
class OnThisDayViewController: ColumnarCollectionViewController, ReadingListHintPresenter {
    fileprivate static let cellReuseIdentifier = "OnThisDayCollectionViewCell"
    fileprivate static let headerReuseIdentifier = "OnThisDayViewControllerHeader"
    fileprivate static let blankHeaderReuseIdentifier = "OnThisDayViewControllerBlankHeader"

    let events: [WMFFeedOnThisDayEvent]
    let dataStore: MWKDataStore
    let midnightUTCDate: Date
    
    lazy var readingListsFunnel: ReadingListsFunnel = {
        return ReadingListsFunnel()
    }()
    
    @objc(initWithEvents:dataStore:midnightUTCDate:)
    required public init(events: [WMFFeedOnThisDayEvent], dataStore: MWKDataStore, midnightUTCDate: Date) {
