Using Virtual Documents in Productions
Angle Bracket <> Syntax
Describes how to use angle bracket <> syntax to access virtual properties.
You can use this syntax in business rules.
To use angle bracket syntax to access a virtual property, use the following syntax:
is a variable that refers to the current message. The name of this variable depends upon the context.
The preceding syntax is equivalent to the following:
is a convenience method in the rules engine. It operates on a message that contains a stream property whose contents are an XML document. The method applies an XPath expression to the XML document within the stream property, and returns all matching values. If the context|
part of the XPath argument is missing, InterSystems IRIS searches the entire XML document.
If the syntax returns multiple values a
, and c
they appear in a single string enclosed in <>
angle brackets, like this: