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In-App Events
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In-App events

In-App Events provide insight on what is happening in your app. It is recommended to take the time and define the events you want to measure to allow you to measure ROI (Return on Investment) and LTV (Lifetime Value).

Recording in-app events is performed by calling logEvent with event name and value parameters. See In-App Events documentation for more details.

Note: An In-App Event name must be no longer than 45 characters. Events names with more than 45 characters do not appear in the dashboard, but only in the raw Data, Pull and Push APIs. Find more info about recording events here.

Send Event

logEvent(eventName, eventValues, success, error)

parameter type description
eventName string In-App Event name
eventValues json The event values that are sent with the event
success function success callback
error function error callback

Example:

const eventName = 'af_add_to_cart';
const eventValues = {
  af_content_id: 'id123',
  af_currency: 'USD',
  af_revenue: '2',
};

appsFlyer.logEvent(
  eventName,
  eventValues,
  (res) => {
    console.log(res);
  },
  (err) => {
    console.error(err);
  }
);

In-app purchase validation

Receipt validation is a secure mechanism whereby the payment platform (e.g. Apple or Google) validates that an in-app purchase indeed occurred as reported. Learn more here.

❗Important❗ for iOS - set SandBox to true appsFlyer.setUseReceiptValidationSandbox(true);

parameter type description
purchaseInfo json In-App Purchase parameters
successC function success callback (generated link)
errorC function error callback

Example:

let info = {
        publicKey: 'key',
        currency: 'biz',
        signature: 'sig',
        purchaseData: 'data',
        price: '123',
        productIdentifier: 'identifier',
        currency: 'USD',
        transactionId: '1000000614252747',
        additionalParameters: {'foo': 'bar'},
    };
appsFlyer.validateAndLogInAppPurchase(info, res => console.log(res), err => console.log(err));