Specifies a rule based on a request URI and its parameters.
Superelements
sip-rules, http-rules, or, and, if
Subelements
Exactly one of the following subelements is required:
Attributes
The following attributes are required if the subelement is exist or notexist and optional if the subelement is match.
Specifies the request URI parameter.
Specifies a variable that evaluates to the return value. See Variables.