API Reference

B2MetricAnalytics

Main SDK class for tracking events.

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start(apiKey:batchSize:flushInterval:)

Initializes and configures the SDK. Must be called before tracking any events.

Parameters:

• apiKey (String): Required. Your B2Metric API key
• batchSize (Int): Number of events to batch before sending. Default: 20
• flushInterval (TimeInterval): Seconds between automatic flushes. Default: 30

B2MetricAnalytics.shared.start(
  apiKey: "YOUR_API_KEY",
  batchSize: 20,
  flushInterval: 30
)

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logEvent(name:properties:)

Tracks a custom event with optional properties.

Parameters:

• name (String): Event name (required)
• properties ([String: AnyCodable]?): Event properties (optional)

Supported property types: String, Int, Double, Bool, Date

B2MetricAnalytics.shared.logEvent(
  name: "button_clicked",
  properties: [
    "screen": AnyCodable("home"),
    "button_text": AnyCodable("Sign Up")
  ]
)

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registerDeviceToken(_:)

Registers an APNs device token and logs a push_token event.

Parameters:

• deviceToken (Data): APNs device token

func application(
  _ application: UIApplication,
  didRegisterForRemoteNotificationsWithDeviceToken deviceToken: Data
) {
  B2MetricAnalytics.shared.registerDeviceToken(deviceToken)
}

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trackPushOpened(userInfo:)

Tracks push notification open and logs a push_opened event.

Parameters:

• userInfo ([AnyHashable: Any]): Push notification payload

func application(
  _ application: UIApplication,
  didReceiveRemoteNotification userInfo: [AnyHashable: Any]
) {
  B2MetricAnalytics.shared.trackPushOpened(userInfo: userInfo)
}

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AutoTracker

Automatic screen view tracking for UIKit.

start()

Enables automatic screen view tracking for UIViewController subclasses.

// In AppDelegate
AutoTracker.shared.start()

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View Extensions (SwiftUI)

.trackScreen(_:)

View modifier for tracking screen views in SwiftUI.

Parameters:

• customName (String?): Optional custom screen name

struct ContentView: View {
  var body: some View {
    Text("Welcome")
      .trackScreen("HomeScreen")
  }
}

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LogLevel

Enum controlling SDK logging verbosity.

Level	Description
.off	No logging
.error	Only critical errors
.warning	Errors and warnings
.info	General SDK operations
.debug	Detailed debugging info

B2MetricAnalytics.shared.logLevel = .debug