Citrix Systems 9.2 manual Advanced Expressions Parsing HTTP, TCP, and UDP Data

Chapter 6 Advanced Expressions: Parsing HTTP, TCP, and UDP Data 117

Prefixes That Extract HTTP Headers

HTTP Header Prefix	Description
HTTP.RES.SET_COOKIE	Returns the HTTP Set-Cookie header object
or	in a response.
HTTP.RES.SET_COOKIE2
HTTP.RES.SET_COOKIE("name")	Returns the cookie of the specified name if it
or	is present. If it is not present, returns a text
	object of length 0. Returns UNDEF if more
HTTP.RES.SET_COOKIE2("name")	than 15 Set-Cookie headers are present and
	the specified cookie was not found in these
	headers.
HTTP.RES.SET_COOKIE("name").	Returns the value of the first Domain field in
DOMAIN	the cookie. For example, if the cookie is Set-
or	Cookie : Customer = "ABC"; DOMAIN=".
	abc.com"; DOMAIN=.xyz.com, the
HTTP.RES.SET_COOKIE2("name").	following expression returns .abc.com:
	http.res.set_cookie.
DOMAIN
	cookie("customer").domain
	A string of zero length is returned if the
	Domain field or its value is absent.
HTTP.RES.SET_COOKIE.	Returns a Boolean TRUE if a Cookie with the
EXISTS("name")	name specified in the name argument exists in
or	the Set-Cookie header.
	This prefix returns UNDEF if more than 15
HTTP.RES.SET_COOKIE2.
	Set-Cookie headers are present and the named
EXISTS("name")	cookie is not in the first 15 headers.
HTTP.RES.SET_COOKIE.	Returns the Expires field of the cookie. This is
COOKIE("name").EXPIRES	a date string that can be evaluated as a
or	number, as a time object, or as text. If multiple
	Expires fields are present, the first one is
HTTP.RES.SET_COOKIE2.	returned. If the Expires field is absent, a text
	object of length zero is returned.
COOKIE("name").EXPIRES	To evaluate the returned value as a time
	object, see “Advanced Expressions: Working
	with Dates, Times, and Numbers,” on page
	95.