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Quick Tracking:Preset Events and Preset Properties

Last Updated:Jun 19, 2025

Event name

Event code

Properties

Property meaning

Implementation

Collection Time

Application startup events

$$_app_start

The beginning of the queried time range.

Client time when the start event occurred

Manual collection, call trackAppStart

When the app starts

Launch Page

Pages opened at startup

Burial point mode

Manual burial mode

Application exit event

$$_app_end

Exit Time

Client time when the exit event occurred

Manual collection, call trackAppEnd

When the app exits

Usage duration

The app usage duration from this start to exit

Exit Page

Page on which to exit

Burial point mode

Manual burial mode

Page browsing events

$$_page_end

Page exit time

Client time when the page exits

Manual collection. You can call the onPageStart and onPageEnd methods in pairs.

Report when page leaves

Page encoding

Manually collect the pageName value set for the API

Page Entry Time

Client time at page entry

Page Stay Time

Time difference between page exit time and page entry time

Source page encoding

Previous Page Encoding

Burial point mode

Manual burial mode

User property upload

$$_user_profile

Page encoding

Page encoding during manual collection

Manual collection, call uploadUserProfile

Report when manually called

Source page encoding

Previous Page Encoding

Burial point mode

Manual burial mode

Preset Properties

Preset properties are carried by each event, regardless of the collection method.

The attribute field.

Property Key

Collection Time

The device ID.

$default_device_id

Initialize the SDK

Custom device ID

$device_id

After calling the setCustomDeviceId, when the event is triggered

The ID of the application user.

$user_id

After calling the onProfileSignIn, when the event is triggered

Device vendor

dmf

Initialize the SDK

Device model

dm

Initialize the SDK

Operating systems

os

Initialize the SDK

The version of the operating system.

ov

Initialize the SDK

Language

lang

Initialize the SDK

Resolution

resolution

Initialize the SDK

The time zone.

tzone

Initialize the SDK

Application platforms

platform

Initialize the SDK

The network type.

access

Initialize the SDK

Network word type

access_subtype

Initialize the SDK

The country.

country_name

When an event is reported to the server

The province.

province_name

When an event is reported to the server

The city.

city_name

When an event is reported to the server

The version of the application.

apv

Initialize the SDK

Application ID

ak

Initialize the SDK

SDK Version

skv

Initialize the SDK

SDK type

skt

Initialize the SDK

Application Channel

channel

Initialize the SDK

The unique ID of the event.

uuid

When an event is triggered

Event code

id

When an event is triggered

Client time during event triggering

ts

When an event is triggered

The time when the event is triggered on the server.

server_timestamp

When an event is reported to the server

Code of event triggering page

page_name

When an event is triggered

Event trigger source page encoding

ref_page_name

When an event is triggered

Log number

rank

When an event is triggered

Current Page Path

url

When an event is triggered after an active setting

Source Page Path

ref_url

When an event is triggered after an active setting

Event tracking method

track_type

When an event is triggered