WeCode Mini Program SDK pre-set events and pre-set properties

Pre-set events

Event English variable name	Event display name	Property English variable name	Event property display name	Property value type	Trigger timing	Description
$MPLaunch	Mini Program Launch		$Pre-set properties		When the Mini Program process is killed, reopened, and sa.appLaunch() is called in the corresponding Mini Program lifecycle function, it will be triggered	Triggered only once when the Mini Program is initialized
		$url_path	Page path	String
		$is_first_time	Whether it is the first time	Boolean value
$MPShow	Mini program show		$Predefined Attribute		When the mini program is launched, or it enters the foreground from the background and the corresponding mini program lifecycle function sa.appShow() is called	When the mini program is launched
$MPShow	Mini program show	$url_path	Page path	String		When the mini program is launched
$MPHide	Mini program enters the background		$Predefined Attribute		When the "Exit" button in the upper right corner of the mini-program is clicked, Huawei WeLink enters the background, enters the about page of the mini-program, the mobile phone screen is locked, and the mini-program process is killed and the sa.appHide() is called in the corresponding mini-program lifecycle function, the trigger is triggered	Mini-program enters the background from the foreground
$MPHide	Mini program enters the background	$url_path	Page path	String		Mini-program enters the background from the foreground
$MPViewScreen	Mini-program page view		$preset_property		Triggered when the mini-program is launched and opens a page, opens a page within the mini-program, or opens a page when entering the foreground from the background	Called every time a page is opened
$MPViewScreen	Mini-program page view	$url_path	Page path	String		Called every time a page is opened

Common preset properties for all events

Field name	Type	Explanation	Notes
$lib	String	SDK Type	The value of WeCode Mini Program SDK is WeCode
$lib_version	String	SDK Version
$app_id	String	Mini Program's AppID
$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 (the value is true from the first visit of a new user until midnight between the first day and subsequent days, and then becomes false, indicating its presence in the storage)
$is_login_id	Boolean	Whether it is a login ID (determined and added when the data is stored)
$timezone_offset	Numeric	Timezone offset
$network_type	String	User Network Type
$url	String	Page URL
$browser	String	Browser Name, parsed from the user agent string
$browser_version	String	Browser Version, parsed from the user agent string