I'm trying to become familiar with XSLT options in the latest version of IRIS.  The documentation here https://docs.intersystems.com/irisforhealth20221/csp/docbook/DocBook.UI… has the following statement:

InterSystems IRIS provides the following additional examples:

• For XSLT 1.0, see the Example(), Example2(), and other methods in %XML.XSLT.Transformer.
• For XSLT 2.0, see the class XSLT2.Examples in the SAMPLES namespace.