Automatically collected events are triggered by basic interactions with your app and/or site (as indicated under the event name in the table below). As long as you use the SDK or gtag.js, you don't need to write any additional code to collect these events.
Analytics collects events for Android and iOS apps unless otherwise stated.
Note
The following parameters are collected by default with every event, including custom events:
languagepage_locationpage_referrerpage_titlescreen_resolution
| Event | Automatically triggered... | Parameters |
|---|---|---|
|
ad_click (app) |
when a user clicks an ad Publisher events coming from AdMob via the Google Mobile Ads SDK |
ad_event_id |
|
ad_exposure (app) |
when at least one ad served by the Mobile Ads SDK is on screen | firebase_screen, firebase_screen_id, firebase_screen_class, exposure_time |
|
ad_impression (app) |
when a user sees an ad impression Publisher events coming from AdMob via the Google Mobile Ads SDK |
ad_event_id |
|
ad_query (app) |
when an ad request is made by the Mobile Ads SDK | ad_event_id |
|
ad_reward (app) |
when a reward is granted by a rewarded ad served by the Mobile Ads SDK | ad_unit_id, reward_type, reward_value |
|
adunit_exposure (app) |
when an ad unit served by the Mobile Ads SDK is on screen | firebase_screen, firebase_screen_id, firebase_screen_class, exposure_time |
|
app_clear_data (app) |
when the user resets/clears the app data, removing all settings and sign-in data Android only |
|
|
app_exception (app) |
when the app crashes or throws an exception | fatal, timestamp, engagement_time_msec |
|
app_remove (app) |
when an application package is removed (uninstalled) from an Android device Android only |
|
|
app_store_refund (app) |
when an in-app purchase is refunded by Google Play Android only This event is not exported to BigQuery. |
product_id, value, currency, quantity |
|
app_store_ subscription_cancel (app) |
when a paid subscription is cancelled in Google Play Android only Requires an initial subscription that was made on or after July 1, 2019. This event is not exported to BigQuery. |
product_id, price, value, currency, cancellation_reason |
|
app_store_ subscription_convert (app) |
when a free-trial subscription is converted to a paid subscription This event is set as a default conversion. Requires an initial subscription that was made on or after July 1, 2019.An initial free-trial subscription is logged as an in_app_purchase with the subscription parameter set to true. This event is not exported to BigQuery. |
product_id, price, value, currency, quantity |
|
app_store_ subscription_renew (app) |
when a paid subscription is renewed This event is set as a default conversion. Requires an initial subscription that was made on or after July 1, 2019. This event is not exported to BigQuery. |
product_id, price, value, currency, quantity, renewal_count |
|
app_update (app) |
when the app is updated to a new version and launched again The previous app version id is passed as a parameter. This event is conceptually different from the Daily upgrades by device metric, which is reported by Google Play Developer Console. An upgrade refers to the updating of the application binary, whereas an app_update event is triggered upon the subsequent launch of the upgraded app. |
previous_app_version |
|
click (web) |
each time a user clicks a link that leads away from the current domain Collected by default via enhanced measurement. |
No parameters are collected |
|
dynamic_link_app_open (app) |
when a user re-opens the app via a dynamic link | source, medium, campaign, link_id, accept_time |
|
dynamic_link_ app_update (app) |
when the app is updated to a new version and is opened via a dynamic link Android only |
source, medium, campaign, link_id, accept_time |
|
dynamic_link_ first_open (app) |
when a user opens the app for the first time via a dynamic link | source, medium, campaign, link_id, accept_time |
|
error (app) |
logged in place of an event that can't be logged because it is invalid in some way _err (firebase_error), _ev (firebase_error_value), and _el (firebase_error_length) parameters have additional information. |
firebase_error, firebase_error_value |
|
file_download (web) |
when a user clicks a link leading to a file (with a common file extension) of the following types:
This event is collected by default via enhanced measurement. See the file extensions that trigger the event |
file_extension, file_name link_classes, link_domain, link_id, link_text, link_url |
|
firebase_campaign (app) |
when the app is launched with campaign parameters | source, medium, campaign, term, content, gclid, aclid, cp1, anid, click_timestamp, campaign_info_source |
|
firebase_in_app_ message_action (app) |
when a user takes action on a Firebase In-App Message | message_name, message_device_time, message_id |
|
firebase_in_app_ message_dismiss (app) |
when a user dismisses a Firebase In-App Message | message_name, message_device_time, message_id |
|
firebase_in_app_ message_impression (app) |
when a user sees a Firebase In-App Message | message_name, message_device_time, message_id |
|
first_open (app) |
the first time a user launches an app after installing or re-installing it This event is not triggered when a user downloads the app onto a device, but instead when he or she first uses it. To see raw download numbers, look in Google Play Developer Console or in iTunesConnect. Supports measuring first_open conversions for users who accept Apple's iOS 14 app-tracking prompt. |
previous_gmp_app_id, updated_with_analytics, previous_first_open_count, system_app, system_app_update, deferred_analytics_collection, reset_analytics_cause, engagement_time_msec |
|
first_visit (app, web) |
the first time a user visits a website or launches an Android instant app with Analytics enabled | |
|
in_app_purchase (app) |
when a user completes an in-app purchase, including an initial subscription, that is processed by the App Store on iTunes or by Google Play The product ID, product name, currency, and quantity are passed as parameters. Analytics supports automatic subscription tracking on Android and iOS. |
product_id, price, value, currency, quantity, subscription, free_trial, introductory_price |
|
notification_dismiss (app) |
when a user dismisses a notification sent by FCM Android only |
message_name, message_time, message_device_time, message_id, topic, label, message_channel |
|
notification_foreground (app) |
when a notification sent by FCM is received while the app is in the foreground | message_name, message_time, message_device_time, message_id, topic, label, message_channel, message_type |
|
notification_open (app) |
when a user opens a notification sent by FCM | message_name, message_time, message_device_time, message_id, topic, label, message_channel |
|
notification_receive (app) |
when a notification sent by FCM is received by a device when the app is in the background Android only |
message_name, message_time, message_device_time, message_id, topic, label, message_channel, message_type |
|
notification_send (app) |
when a notification is sent by FCM Android only |
message_name, message_time, message_device_time, message_id, topic, label, message_channel |
|
os_update (app) |
when the device operating system is updated to a new version. The previous operating system version id is passed as a parameter | previous_os_version |
|
page_view (web) |
each time the page loads or the browser history state is changed by the active site Collected by default via enhanced measurement. |
page_location (page URL), page_referrer (previous page URL) |
|
screen_view (app) |
when a screen transition occurs and any of the following criteria are met:
|
firebase_screen, firebase_screen_class, firebase_screen_id, firebase_previous_screen, firebase_previous_class, firebase_previous_id, engagement_time_msec |
|
scroll (web) |
the first time a user reaches the bottom of each page (i.e., when a 90% vertical depth becomes visible) Collected by default via enhanced measurement. |
engagement_time_msec |
|
session_start (app, web) |
when a user engages the app or website | |
|
user_engagement (app, web) |
when the app is in the foreground or webpage is in focus for at least one second. Learn more |
engagement_time_msec |
|
video_complete (web) |
when the video ends For embedded YouTube videos that have JS API support enabled. Collected by default via enhanced measurement. |
video_current_time, video_duration, video_percent, video_provider, video_title, video_url, visible (boolean) |
|
video_progress (web) |
when the video progresses past 10%, 25%, 50%, and 75% duration time For embedded YouTube videos that have JS API support enabled. Collected by default via enhanced measurement. |
video_current_time, video_duration, video_percent, video_provider, video_title, video_url, visible (boolean) |
|
video_start (web) |
when the video starts playing For embedded YouTube videos that have JS API support enabled. Collected by default via enhanced measurement. |
video_current_time, video_duration, video_percent, video_provider, video_title, video_url, visible (boolean) |
|
view_search_results (web) |
each time a user performs a site search, indicated by the presence of a URL query parameter Collected by default via enhanced measurement. |
search_term, optionally ‘q_<additional key="">’ (where <additional key=""> matches an additional query parameter you specify to be collected under advanced settings) |
Note: File extensions that match the following regex will trigger the file_download event:
pdf|xlsx?|docx?|txt|rtf|csv|exe|key|pp(s|t|tx)|7z|pkg|rar|gz|zip|avi|mov|mp4|mpe?g|wmv|midi?|mp3|wav|wma