Apps Flyer API

Integrate AppsFlyer analytics in your WebToNative app to track custom user IDs, log events, and retrieve the AppsFlyer device identifier.

You'll need to import the javascript file in your website before starting from this link.

1

setCustomerUserId(userId)

To Set Custom User Id

Plain JS

const { appsflyer: AppsFlyer } = window.WTN

AppsFlyer.setCustomerUserId("CUSTOM_USER_ID")

npm

import { setCustomerUserId } from "webtonative/AppsFlyer"

setCustomerUserId("CUSTOM_USER_ID")

2

logEvent(eventName, eventValues)

To Push Event

Plain JS

const { appsflyer: AppsFlyer } = window.WTN

AppsFlyer.logEvent("ADD_TO_CART", {
    name: "Cadburry",
    quantity: 1
})

npm

import { logEvent } from "webtonative/AppsFlyer"

logEvent("ADD_TO_CART", {
    name: "Cadburry",
    quantity: 1
})

3

getAppsFlyerAppId()

To retrieve the AppsFlyer unique device identifier (AppsFlyer ID) for the current app installation.

Available on Android and iOS from 21st March, 2026.

Plain JS

const { appsflyer: AppsFlyer } = window.WTN

AppsFlyer.getAppsFlyerAppId({
    callback: function (response) {
        console.log(response.appsFlyerId) // AppsFlyer unique device ID
    }
})

npm

import { getAppsFlyerAppId } from "webtonative/AppsFlyer"

getAppsFlyerAppId({
    callback: (response) => {
        console.log(response.appsFlyerId) // AppsFlyer unique device ID
    }
})

Callback Response

Property	Type	Description
type	string	Always "getAppsFlyerAppId"
appsFlyerId	string	The AppsFlyer unique device identifier

Example Response

{
    "type": "getAppsFlyerAppId",
    "appsFlyerId": "1234567890123-1234567"
}