App Events Best Practices for Air Travel App

Updated: Jun 30, 2026

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This guide is intended to be used as a starting point for your app and should be customized. The example app provides a screen by screen breakdown of the different events and parameters that can be collected. At the end of it, there is a table that lists the recommended events and parameters for your app.

Air Travel App Product and Marketing Objectives

Understand conversion flow through app

Retarget users that started a checkout but did not purchase

Find new users using lookalikes of high value or frequent purchasers

Example Air Travel App

ActivatedApp Event

Flight Book app home screen after launch, greeting Lisa Miller with menu options, illustrating the App Launch event

ActivatedApp Event Code Example:

Select language

/**
 * For more details, please take a look at:
 * developers.facebook.com/docs/reference/ios/current/class/FBSDKAppEvents
 */
- (void)applicationDidBecomeActive:(UIApplication *)application {
    [FBSDKAppEvents activateApp];
}

Searched Event

Flight search form with SFO to LAX, dates, class and passengers, numbered to map Search event parameters

Searched Event Code Example:

Select language

/**
 * For more details, please take a look at:
 * developers.facebook.com/docs/reference/ios/current/class/FBSDKAppEvents
 */
 - (void)logSearchedEvent :(NSString*)contentType
    searchString :(NSString*)searchString
    success :(BOOL)success {

NSDictionary *params =
    [[NSDictionary alloc] initWithObjectsAndKeys:
        contentType, FBSDKAppEventParameterNameContentType,
        searchString, FBSDKAppEventParameterNameSearchString,
        [NSNumber numberWithInt:success ? 1 : 0], FBSDKAppEventParameterNameSuccess,
        nil];

    [FBSDKAppEvents logEvent: FBSDKAppEventNameSearched
        parameters: params];
}

ViewedContent Event

ViewedContent Event Code Example:

Select language

/**
 * For more details, please take a look at:
 * developers.facebook.com/docs/reference/ios/current/class/FBSDKAppEvents
 */
 - (void)logViewedContentEvent :(NSString*)contentType
    contentId :(NSString*)contentId
    currency :(NSString*)currency
    valToSum :(double)price {

NSDictionary *params =
    [[NSDictionary alloc] initWithObjectsAndKeys:
        contentType, FBSDKAppEventParameterNameContentType,
        contentId, FBSDKAppEventParameterNameContentID,
        currency, FBSDKAppEventParameterNameCurrency,
        nil];

    [FBSDKAppEvents logEvent: FBSDKAppEventNameViewedContent
        valueToSum: price
        parameters: params];
}

InitiatedCheckout Event

InitiatedCheckout Event Code Example:

Select language

/**
 * For more details, please take a look at:
 * developers.facebook.com/docs/reference/ios/current/class/FBSDKAppEvents
 */
 - (void)logInitiatedCheckoutEvent :(NSString*)contentId
    contentType :(NSString*)contentType
    numItems :(int)numItems
    paymentInfoAvailable :(BOOL)paymentInfoAvailable
    currency :(NSString*)currency
    valToSum :(double)totalPrice {

NSDictionary *params =
    [[NSDictionary alloc] initWithObjectsAndKeys:
        contentId, FBSDKAppEventParameterNameContentID,
        contentType, FBSDKAppEventParameterNameContentType,
        [NSNumber numberWithInt:numItems], FBSDKAppEventParameterNameNumItems,
        [NSNumber numberWithInt:paymentInfoAvailable ? 1 : 0], FBSDKAppEventParameterNamePaymentInfoAvailable,
        currency, FBSDKAppEventParameterNameCurrency,
        nil];

    [FBSDKAppEvents logEvent: FBSDKAppEventNameInitiatedCheckout
        valueToSum: totalPrice
        parameters: params];
}

AddedPaymentInfo Event

AddedPaymentInfo Event Code Example:

Select language

/**
 * For more details, please take a look at:
 * developers.facebook.com/docs/reference/ios/current/class/FBSDKAppEvents
 */
 - (void)logAddedPaymentInfoEvent :(BOOL)success {

NSDictionary *params =
    [[NSDictionary alloc] initWithObjectsAndKeys:
        [NSNumber numberWithInt:success ? 1 : 0], FBSDKAppEventParameterNameSuccess,
        nil];

    [FBSDKAppEvents logEvent: FBSDKAppEventNameAddedPaymentInfo
        parameters: params];
}

Purchased Event

Thank You purchase summary with flights and total, numbered to map Purchase event parameters

Purchased Event Code Example:

Select language

/**
 * For more details, please take a look at:
 * developers.facebook.com/docs/reference/ios/current/class/FBSDKAppEvents
 */
 - (void)logPurchasedEvent :(int)numItems
    contentType :(NSString*)contentType
    contentId :(NSString*)contentId
    currency :(NSString*)currency
    valToSum :(double)price {

NSDictionary *params =
    [[NSDictionary alloc] initWithObjectsAndKeys:
        [NSNumber numberWithInt:numItems], FBSDKAppEventParameterNameNumItems,
        contentType, FBSDKAppEventParameterNameContentType,
        contentId, FBSDKAppEventParameterNameContentID,
        currency, FBSDKAppEventParameterNameCurrency,
        nil];

    [FBSDKAppEvents logPurchase:price
          currency: currency
        parameters: params];
}

Air Travel App Recommended Events and Parameters

Event Name	Predefined	Suggested Parameters
App Install	Yes
Launched App	Yes
Searched	Yes	`Origination City`,`Destination City`,`Departure Date`,`Return Date`,`Class`,`Number of Passengers`, `Advance Booking Window`
Viewed Content	Yes	`Origination City`, `Destination City`, `Depature Date`, `Flight Number`, `Number of Passengers`, `Class`, `Currency`, `valueToSum`,`Content Type`
Initiated Checkout	Yes	`Outbound Origination City`, `Outbound Destination City`, `Return Origination City`, `Return Destination City`,`Class`, `Currency`, `valueToSum`
Added Payment Info	Yes
Purchased	Yes	`Outbound Origination City`, `Outbound Destination City`, `Return Origination City`, `Return Destination City`,`Class`, `Currency`, `valueToSum`