Hit attribute reference

This section lists the hit attributes provided by Discover. Hit attributes only pertain to the current hit.

Hit attributes are only available in the following triggers: First Hit, Last Hit, Every Hit.
To retain specific hit attribute values across multiple hits and event triggers, you must store the hit attribute value in a session attribute, which is available through the session object and is stored with the session data.
In EventEngineScripting, references to hit attributes begin with $H.*. Regarding creating event objects in Advanced mode, pattern objects differ from hit attributes.
Hit attributes gather data from other data sources within the Canister for the current hit.
Like user-defined hit attributes, pattern objects use start and end tags to identify data in the request or response.
In Basic Mode in the Event Manager, these object types are indistinguishable when listed in the Hit Attributes tab. See Manage Events - Hit Attributes tab.

Table 1. Hit Attribute Reference - Name space = TL
Internal Name	JavaScript™ Variable	Type	Display Name	Source Type	Name of Source	Description
`H_CONN_SPEED`	Conn Speed	int	Connection Speed	`PATTERN`	`TL.CONN_SPEED`	Connection speed in bytes/second
`H_CONN_TYPE`	ConnType	ansistring	Connection Type	`PATTERN`	`TL.CONN_TYPE`	Connection speed category. Example: T1
`H_CONTENT_ENCODING`	Content Encoding	string	Content Encoding	`PATTERN`	`TL.RESPONSE_TYPE`	Content encoding format of response. Example: text/html; charset =ISO-8859-1
`H_GEN_TIME`	GenTime	int	Hit Generation Time (sec)	`PATTERN`	`TL.WS_GENERATION`	Time in microseconds between server receiving request and starting to send response. Formula: (Rsp Start Time Epoch - Req Time Epoch)
`H_IS_CUI`	IsCUI	boolean	Client UI Hit (T/F)	`CALCULATED_SOURCE`		Client user-interface hit (T/F). Requires Discover UI Capture.
`H_NETWORK_TRIP`	Network Trip	int	Network Time (sec)	`PATTERN`	`TL.NT_TOTAL`	Time in microseconds between server starting to send response and client acknowledges response. Formula: (Rsp ACK Time Epoch - Rsp Start Time Epoch)
`H_NUMBER`	Hit Number	int	Hit Number in Session	`CALCULATED_SOURCE`		Hit number in session
`H_PERFORMANCE_ RENDER_TIME`	Performance Render Time	int64	Perfor- mance Render Time (ms)	`CALCULATED_SOURCE`		Time in milliseconds it took the page to complete rendering. This does not include the page load time. Requires Discover UI Capture.
`H_QUERY_STRING`	Query String	string	Query String for Request	`PATTERN`	`TL.QUERY_STRING`
`H_REFERRER`	Referrer	string	Hit Referrer	`PATTERN`	`TL.HTTP_REFERRER`	Referrer value for hit
`H_REQ_CANCELLED`	Req Cancelled	bool	Req Cancelled	`PATTERN`	`TL.REQ_CANCELLED`
`H_REQ_DISCARDED`	Req Discarded	bool	Req Discarded	`PATTERN`	`TL.REQ_DISCARDED`
`H_REQ_SIZE`	ReqSize	int	Req Size (bytes)	`PATTERN`	`TL.REQUEST_SIZE`	Size in bytes of request data + request header
`H_REQ_TIME_EX`	Request TimeEx	int	Req Time Epoch (?sec)	`PATTERN`	`TL.REQUEST_TIME_EX`	Time epoch in microseconds when server receives request
`H_ROUND_TRIP`	RoundTrip	int	Round Trip Time (?sec)	`PATTERN`	`TL.RT_TOTAL`	Time in micro- seconds between server receiving request and client acknowledging response. Formula: (Rsp ACK Time Epoch - Req Time Epoch)
`H_RSP_ACK_TIME_EX`	Response AckTime Ex	int	Rsp Ack Time Epoch (?sec)	`PATTERN`	`TL.RESPONSE_ACK_ TIME_EX`	Time epoch in microseconds when client acknowledges response
`H_RSP_SIZE`	RspSize	int	Rsp Size (bytes)	`PATTERN`	`TL.RESPONSE_SIZE`	Size in bytes of response data + response header
`H_RSP_START_ TIME_EX`	Response StartTime Ex	int	Rsp Start Time Epoch (?sec)	`PATTERN`	`TL.RESPONSE_START_TIME_EX`	Time epoch in microseconds when server starts sending response
`H_RSP_TIME_EX`	Response TimeEx	int	Rsp End or Hit Time Epoch (?sec)	`PATTERN`	`TL.RESPONSE_TIME _EX`	Time epoch in microseconds when server ends sending response
`H_STATUS_CODE`	StatusCode	int	Status Code	`PATTERN`	`TL.STATUS_CODE`	Status code of response. Example: 200
`H_TLAPI_ARRIVAL_TIME_EX`	TLapi Arrival TimeEx	int64	TL API Arrival Time Epoch (?sec)	`PATTERN`	`TL.TLAPI_ARRIVAL_TIME_EX`	Time epoch in micro- seconds of hit arrival, as reported by the Discover API
`H_TLTHID`	TLTHID	ansistring	Hit GUID	`PATTERN`	`TL.TLTHID`
`H_TYPE`	HitType	int	Hit Type	`PATTERN`	`TL.CAPTURE_TYPE`	Hit and Capture Type
`H_URL`	URL	string	URL	`PATTERN`	`TL.URL`	URL of hit, without normalization, as reported in the browser