Citrix Systems 9.2 Attribute-based Http Method httpMethod, Server mutually, Http Headers headers

Chapter 11 Advanced Policies: Sending HTTP Service Callouts to Applications 189

Elements in an HTTP Callout Policy

Parameter	Specifies
Attribute-based	HTTP Method (httpMethod).
request to send to the	Method used in the HTTP request that this callout sends. Valid
server (mutually
exclusive with	values: GET or POST. Default: GET.
sending an	Host expression (hostExpr).
expression-based
request to the server)	Advanced text expression to configure the Host header.
	Maximum length: 255.
	The expression can contain a literal value or it can be an advanced
	expression that derives the value. Examples:
	"10.101.10.11"
	"http.req.header("Host")"
	URL stem expression (urlStemExpr)
	An advanced string expression for generating the URL stem.
	Maximum length: 8191.
	The expression can contain a literal string or an expression that
	derives the value. Examples:
	""/mysite/index.html""
	"http.req.url"
	HTTP Headers (headers).
	Advanced text expression to insert HTTP headers and their
	values in the HTTP callout request.
	You must specify a value for every header. You specify the
	header name as a string and the header value as an advanced
	expression.
	Query Parameters (parameters).
	Advanced expression to insert query parameters in the HTTP
	request that the callout sends.
	You must specify a value for every parameter that you configure.
	If the callout request uses the GET method, these parameters are
	inserted in the URL. If the callout request uses the POST method,
	these parameters are inserted in the POST body.
	You configure the query parameter name as a string and the value
	as an advanced expression. The parameter values are URL
	encoded.