How to get email in users data in google play subscriptions an additional call to the Google Play Developer API. The subscription purchase

[PongPloy2016]

hi How to get Email Playstore when use subscription an additional call to the Google Play Developer API. The subscription purchase

i have use get in code

` private suspend fun checkSubscription() {

    var  subscriptionPurchase = SubscriptionPurchase()
    try {
        val credential = subscriptionPurchase.getGoogleCredential(requireContext())
        val androidPublisher = subscriptionPurchase.getAndroidPublisher(credential)
        val subscriptionPurchase = subscriptionPurchase.getSubscriptionPurchase(androidPublisher, PACKAGE_NAME, SUBSCRIPTION_ID, PURCHASE_TOKEN)
        Log.d("SubscriptionChecker", "Subscription Status: ${subscriptionPurchase?.emailAddress}")

        // Check if email is present
        if (subscriptionPurchase?.emailAddress != null) {
            Log.d("SubscriptionChecker", "User Email: ${subscriptionPurchase.emailAddress}")
        } else {
            Log.d("SubscriptionChecker", "Email address not available for this purchase.")
        }
    } catch (e: Exception) {
        e.printStackTrace()
        Log.d("SubscriptionChecker Error", e.message.toString())

    }
} 


public fun getAndroidPublisher(credential: GoogleCredential): AndroidPublisher {
    return AndroidPublisher.Builder(HTTP_TRANSPORT, JSON_FACTORY, credential)
       // .setApplicationName(APPLICATION_NAME)
        .build()
}

public suspend fun getSubscriptionPurchase(
    androidPublisher: AndroidPublisher,
    packageName: String,
    subscriptionId: String,
    token: String
): SubscriptionPurchase? {
    return withContext(Dispatchers.IO) {
        androidPublisher.purchases().subscriptions().get(packageName, subscriptionId, token).execute()
    }
}

public fun getGoogleCredential(context: Context): GoogleCredential { val assetManager = context.assets val inputStream: InputStream = assetManager!!.open(SERVICE_ACCOUNT_FILE_PATH) return GoogleCredential.fromStream(inputStream) .createScoped(listOf(AndroidPublisherScopes.ANDROIDPUBLISHER)) }`

and i. debug code in show detail. and why. not get email. please help