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Quick Tracking:iOS preset event description

Last Updated:Jun 23, 2026

Preset event

Event name

Event code

Properties

Property meaning

Methods

Collection Time

App start event

$$_app_start

Start time

Client time when the start event occurred

Integrate the SDK

When the app starts

Start type

Cold start / hot start

Launch Page

Pages opened at startup

Startup Status

Foreground start / background start

App exit event

$$_app_end

Exit Time

Client time when the exit event occurred

Integrate the SDK

When the app exits

Usage duration

The app usage duration from this start to exit

Exit Status

Foreground / background on exit

Exit Page

Page displayed on exit

Page view event

$$_page_end

Page exit time

Client time when the page exits

Method 1: Automatic collection (full tracking). You must enable automatic collection on pages.

Method 2: Manual collection (code tracking)

Page view events reported through code tracking use this event code.

Reported when the page is exited

Page encoding

  • className for automatic collection

  • pageName set when calling the manual collection API

Page Entry Time

Client time at page entry

Page Stay Duration

Time difference between page exit time and page entry time

Page access status

Whether the page is in the foreground or background on exit

Page Title

Page Title

Source page encoding

Previous page encoding

Tracking mode

0: Manual API call tracking

1: Automatic full tracking

Control type

Collection classname

Control click event

Event code in the tracking scheme for manual collection (code tracking)

MD5 hash of the control path for automatic collection (full tracking)

Event code

MD5 hash of the control path, uniquely identifying the control click event

Method 1: Integrate the SDK, report this event through code tracking, and set the event type to "Control click" in collection management.

Method 2: Integrate the SDK and enable automatic collection of control click events.

Reported when a control is clicked

Page encoding

Page encoding where the event was triggered

Source page encoding

Page encoding of the previous page when the event was triggered

Time

Client timestamp when the event was triggered

Control ID

Control ID tag value

Control type

Control type. Supported iOS types:

  • UIButton

  • Tableviewcell

  • CollectionViewCell

  • UISegmentedControl

  • UITextField

  • UISwitch

  • UIStepper

  • AVPlayer

  • UITextView

  • UIAlertController

  • UIImageView (only when UITapGestureRecognizer is added)

  • UILabel (only when UITapGestureRecognizer is added)

Integrate the SDK and enable the automatic collection API for control click events (reported only in full tracking mode)

Control content

Text content of the control

Control selector

Selector of the control

Control path

Path of the control

Tracking mode

0: Manual API call tracking

1: Automatic full tracking

App activation event

$$_app_install

UTM properties

Ad source, ad type, and more. The SDK automatically intercepts invoked URLs and parses UTM attributes.

Integrate the SDK

Reported on first launch after the app is downloaded

Preset Properties

Preset properties are included with every event, regardless of the collection method.

Attribute

Property Key

Collection Time

Device brand

device_brand

First start

Device model

device_model

Initialize the SDK

Operating system

os

Initialize the SDK

OS version

os_version

Initialize the SDK

Network access type

access

Initialize the SDK

Resolution

screen

Initialize the SDK

Country

country_name

When an event is reported to the server

Province

province_name

When an event is reported to the server

City

city_name

When an event is reported to the server

App version

app_version

Initialize the SDK

SDK Version

sdk_version

Initialize the SDK

SDK type

sdk_type

Initialize the SDK

Platform

app_id

Initialize the SDK

Platform Type

platform

Initialize the SDK

Channel property

$sys_install_channel

When channel attributes are uploaded

Device ID

app_channel

Initialize the SDK

Account ID

ll_userid

When the user account setting API is called

Event code

event_code

When an event is triggered

Client time when the event is triggered

local_timestamp

When an event is triggered

Server time when the event is reported

server_timestamp

When an event is reported to the server

Page encoding where the event is triggered

page

When an event is triggered

Title of the page where the event is triggered

$sys_page_title

When an event is triggered

Path of the page where the event is triggered

$sys_url

When an event is triggered

Source page encoding where the event is triggered

refer_page

When an event is triggered

Source page path where the event is triggered

$sys_ref_url

When an event is triggered

Event tracking method

$sys_track_type

When an event is triggered