1. Predefined Events

Event Variable Name	Event Display Name	Property Variable Name	Property Display Name	Property Data Type	Property Value Example or Description	Trigger Timing	Description	Corresponding Lifecycle
$MPLaunch	Mini Program Launch		$Predefined Properties			This will be triggered when the Mini Program is killed, reopened, and sa.quick('appLaunch', options) is called in the corresponding Mini Program lifecycle function.	This will be triggered once when the Mini Program is initialized.	App.onLaunch
		$scene	Launch scene	String
		$url_path	Page path	String
		$is_first_time	Whether first time	Boolean
		$utm_source	Advertisement campaign source	String	Version 0.3 and above
		$utm_medium	Advertisement campaign medium	String	Version 0.3 and above
		$utm_term	Ad Campaign Keyword	String	Version 0.3 and above
		$utm_content	Ad Campaign Content	String	Version 0.3 and above
		$utm_campaign	Ad Campaign Name	String	Version 0.3 and above
$MPShow	Mini Program Display		$predefined_property			When the Mini Program is launched, or when it is brought to the foreground from the background and sa.quick('appShow', options) is called in the corresponding Mini Program lifecycle function	launch Mini Program	App.onShow
		$scene	launch scene	string
		$url_path	page path	string
		$utm_source	campaign source	String	0.3 or above version
		$utm_medium	campaign medium	String	0.3 or above version
		$utm_term	Advertising Campaign Keywords	String	Version 0.3 and above
		$utm_content	Advertising Campaign Content	String	Version 0.3 and above
		$utm_campaign	Advertising Campaign Name	String	Version 0.3 and above
$MPHide	Miniprogram Minimizes		$preset_property			Triggers when clicking the exit button on the upper right corner of the mini program, related App goes to the background, entering the about page of the mini program, phone screen locks, or the mini program process is killed and sa.quick('Hide') is called in the corresponding mini program lifecycle function.	Miniprogram goes from foreground to background	App.onHide
		$event_duration	Duration	Metric	The time from $MPShow to $MPHide when the Mini Program goes to the background or closes
		$url_path	Page Path	String

2. Common attributes for all events

Field Name	Type	Description	Remarks
$lib	String	SDK Type	The value of the ByteDance Mini Program SDK is BytedanceMini
$lib_version	String	SDK Version
$app_id	String	ByteDance Mini Program AppID	Need to pass appid when initializing SDK with setPara method
$screen_height	Number	Screen height
$screen_width	Number	Screen width
$model	String	Device model
$manufacturer	String	Device manufacturer
$os	String	Operating System
$os_version	String	Operating System Version
$is_first_day	Boolean	Whether it is the first day of visit (From the first visit of a new user until midnight between the first day and the next day, it is true. Afterwards, it is false, indicating existence in storage)
$is_login_id	Boolean	Whether it is a login ID (Judged and added when data is stored)
$ip	String	Attribute carried when SDK sends data requests
$timezone_offset	Numerical	Timezone Offset	Version 0.6.0 and above
$country	String	Derived from IP
$province	String	Derived from IP
$city	String	Derived from IP
$network_type	String	Network Type
$browser	String	Browser name parsed from User-Agent
$browser_version	String	Browser version parsed from User-Agent
$latest_utm_source	String	Latest paid advertising campaign source	0.3 and above versions
$latest_utm_medium	String	Latest paid advertising campaign medium	0.3 and above versions
$latest_utm_term	String	Latest paid advertising campaign term	0.3 and above
$latest_utm_content	String	Last paid advertising campaign content	0.3 and above
$latest_utm_campaign	String	Last paid advertising campaign name	0.3 and above
$latest_scene	String	Last launched scene value	0.3 and above