This article provides details about the names and parameters of events logged automatically by Google Analytics for Firebase. These details can be helpful when accessing your raw event data in BigQuery or through Google Tag Manager. For more information about the nature of these events, refer to Automatically collected events.

Events

Event name	Parameters
ad_click Not exported to BigQuery	ad_event_id
ad_impression Not exported to BigQuery	ad_event_id
app_clear_data	none
app_exception	fatal, timestamp
app_remove	none
app_update	previous_app_version
dynamic_link_app_open	source, medium, campaign, link_id, accept_time
dynamic_link_app_update	source, medium, campaign, link_id, accept_time
dynamic_link_first_open	source, medium, campaign, link_id, accept_time
error	firebase_error, firebase_error_value
firebase_campaign	source, medium, campaign, term, content, gclid, aclid, cp1, anid
first_open	previous_gmp_app_id, previous_first_open_count, updated_with_analytics
in_app_purchase	product_id, product_name, price, price_is_discounted, value, currency, quantity, app_version
notification_dismiss	message_name, message_time, message_device_time, message_id, topic
notification_foreground	message_name, message_time, message_device_time, message_id, topic
notification_open	message_name, message_time, message_device_time, message_id, topic
notification_receive	message_name, message_time, message_device_time, message_id, topic
os_update	previous_os_version
session_start	none
user_engagement	engagement_time

Parameters

Parameter name	Parameter type	Description
accept_time	long	Dynamic Link accept time
aclid	string	Install/Re-engagement Campaign Other Click ID
ad_event_id	long	Unique identifier for a Google Mobile Ads event
anid	string	Install/Re-engagement Campaign Ad Network ID
app_version	string	App version
campaign	string	Install/Re-engagement Campaign Name
content	string	Install/Re-engagement Campaign Content
cp1	string	Install/Re-engagement Campaign Custom Param1
currency	string	Purchase currency. 3-letter ISO_4217 format
engagement_time_msec	long	The additional engagement time (ms) since the last user_engagement event
fatal	long	Indicates whether an exception was fatal (1=true, 0=false)
firebase_conversion	long	Denotes whether or not this event is a conversion
firebase_error	long	Error code reported by the SDK
firebase_error_value	string	SDK Error value
firebase_event_origin	string	Denotes the SDK origin of the event
firebase_screen_class	string	The screen class (Activity/UIViewController) on which this event occurred
firebase_screen	string	The screen name (manually supplied) on which this event occurred
ga_session_id	int	Unique session identifier (based on the timestamp of the session_start event) associated with each event that occurs within a session
ga_session_number	int	Monotonically increasing identifier (starting with 1) of the ordinal position of a session as it relates to a user (e.g., a user's 1st or 5th session) associated with each event that occurs in a session
gclid	string	Install/Re-engagement Campaign Google Click ID
link_id	string	Dynamic Link ID
medium	string	Install/Re-engagement Campaign Medium
message_device_time	long	FCM Notification Delivery relative to Device Time
message_id	string	FCM Notification Message ID
message_name	long	FCM Notification Message Name
message_time	long	FCM Notification Message Time (Sent Timestamp)
previous_app_version	string	Signifies the previous application version
previous_first_open_count	long	The number of times first_open was logged before this occurrence
previous_os_version	string	Signifies the previous OS version
price	double (BigQuery) long microcurrency (Tag Manager)	IAP price
product_id	string	IAP product id
quantity	long	IAP purchase quantity
source	string	Install/Re-engagement Campaign Source
system_app	long	(Android Only) whether or not this first_open pertains to a system app
system_app_update	long	(Android Only) whether or not this first_open pertains to a system app update
term	string	Install/Re-engagement Campaign Search Term
timestamp	long	Indicates the timestamp of an exception
topic	string	FCM Notification Topic
updated_with_analytics	long	Signifies that the first_open was logged as a result of an update to a new version of the app which integrates Google Analytics
value	long/double	Context-specific numeric value

User properties

Property name	Parameter type	Description
first_open_time	int64	UTC time when the user first launched the app (in milliseconds rounded to the nearest full hour)
last_deep_link_referrer	String	Last deep-link referrer value (2K-character limit)
_ltv_	int64	Accumulated LTV per currency type (4-currency maximum)

* Nguồn: Google Analytics