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O Google Analytics fornece relatórios de eventos que ajudam você a entender
como os usuários interagem com seu app. Com o Cloud Functions (1ª geração), é
possível acessar eventos de conversão registrados em dispositivos Apple e Android
e acionar funções com base neles.
Acionar uma função de Google Analytics
O Cloud Functions oferece suporte ao AnalyticsEvent
do Google Analytics.
Esse evento é acionado sempre que a atividade do usuário gera um evento de conversão.
Por exemplo, é possível escrever uma função que
é acionada quando o evento in_app_purchase é gerado, indicando que ocorreu uma
compra no app.
Você precisa especificar o evento do Analytics que
acionará a função usando o método
functions.analytics.event()
e supervisionar o evento no
manipulador de eventos
onLog():
Com cada evento do Analytics, você tem acesso a todos os parâmetros
e propriedades do usuário relevantes. Isso inclui informações sobre o usuário, o
dispositivo, o app e as informações geográficas do evento.
Para ter acesso à lista completa de parâmetros e propriedades do usuário, consulte a
referência de functions.analytics.
Para uma função acionada por compra, como
neste exemplo,
acesse os atributos dos usuários, como idioma e
valor do evento (valueInUSD).
Com esse segundo atributo, a função de exemplo pode ser usada para verificar se é um evento de conversão de alto valor e, então, enviar um cupom de valor mais alto a clientes valiosos.
[[["Fácil de entender","easyToUnderstand","thumb-up"],["Meu problema foi resolvido","solvedMyProblem","thumb-up"],["Outro","otherUp","thumb-up"]],[["Não contém as informações de que eu preciso","missingTheInformationINeed","thumb-down"],["Muito complicado / etapas demais","tooComplicatedTooManySteps","thumb-down"],["Desatualizado","outOfDate","thumb-down"],["Problema na tradução","translationIssue","thumb-down"],["Problema com as amostras / o código","samplesCodeIssue","thumb-down"],["Outro","otherDown","thumb-down"]],["Última atualização 2025-09-09 UTC."],[],[],null,["\u003cbr /\u003e\n\nGoogle Analytics provides event reports that help you understand\nhow users interact with your app. With Cloud Functions (1st gen), you\ncan access conversion events you have logged from Apple and Android devices\nand trigger functions based on those events.\n| Only Apple platform and Android events marked as conversion events are currently supported by Cloud Functions; Web conversion events are not currently available. You can specify which events are conversion events in the [Events](//console.firebase.google.com/project/_/analytics/events) tab of the Firebase console **Analytics** pane.\n| **Note:** Cloud Functions for Firebase (2nd gen) does not provide support for the events and triggers described in this guide. Because 1st gen and 2nd gen functions can coexist side-by-side in the same source file, you can still develop and deploy this functionality together with 2nd gen functions.\n\nTrigger a Google Analytics function\n\nCloud Functions supports the Google Analytics\n[`AnalyticsEvent`](/docs/reference/functions/firebase-functions.analytics.analyticsevent).\nThis event is triggered whenever user activity generates a conversion event.\nFor example, you could write a function that\ntriggers when the `in_app_purchase` event is generated, indicating that an\nin-app purchase has occurred.\nYou must specify the Analytics event that\nyou want to trigger your function using the\n[`functions.analytics.event()`](/docs/reference/functions/firebase-functions.analytics.analyticsevent)\nmethod, and handle the event within the\n[`onLog()`](/docs/reference/functions/firebase-functions.analytics.analyticseventbuilder#analyticsanalyticseventbuilderonlog)\nevent handler:\n\n\u003cbr /\u003e\n\n```gdscript\nexports.sendCouponOnPurchase = functions.analytics.event('in_app_purchase').onLog((event) =\u003e {\n // ...\n});\n```\n\n\u003cbr /\u003e\n\nAccess event attributes\n\nWith each Analytics event, you have access to all relevant\nparameters and user properties. These include information about the user, the\ndevice, the app, and geographical information for the event.\nFor the complete list of parameters and user properties, see the\n[`functions.analytics`](/docs/reference/functions/firebase-functions.analytics) reference.\n\nFor a purchase-triggered function as illustrated in\n[this sample](https://github.com/firebase/functions-samples/tree/main/Node-1st-gen/coupon-on-purchase),\nyou might want to access user attributes such as the user's language and the\nevent's value ([`valueInUSD`](/docs/reference/functions/firebase-functions.analytics.analyticsevent#analyticsanalyticseventvalueinusd)).\nThis second attribute allows the sample function to test whether this is a\nhigh-value conversion event, in order to send a higher-value coupon to valuable customers.\n\n\u003cbr /\u003e\n\n```gdscript\n/**\n * After a user has completed a purchase, send them a coupon via FCM valid on their next purchase.\n */\nexports.sendCouponOnPurchase = functions.analytics.event('in_app_purchase').onLog((event) =\u003e {\n const user = event.user;\n const uid = user.userId; // The user ID set via the setUserId API.\n const purchaseValue = event.valueInUSD; // Amount of the purchase in USD.\n const userLanguage = user.deviceInfo.userDefaultLanguage; // The user language in language-country format.\n\n // For purchases above 500 USD, we send a coupon of higher value.\n if (purchaseValue \u003e 500) {\n return sendHighValueCouponViaFCM(uid, userLanguage);\n }\n return sendCouponViaFCM(uid, userLanguage);\n});https://github.com/firebase/functions-samples/blob/c4fde45b65fab584715e786ce3264a6932d996ec/Node-1st-gen/coupon-on-purchase/functions/index.js#L23-L41\n```\n\n\u003cbr /\u003e\n\nNext steps\n\nTo learn more about handling Analytics events in Cloud Functions,\nsee the [Google Analytics documentation](/docs/analytics) and the\n[`functions.analytics`](/docs/reference/functions/firebase-functions.analytics) reference,\nand try running the code sample\n[coupon-on-purchase](https://github.com/firebase/functions-samples/tree/main/Node-1st-gen/coupon-on-purchase)."]]