fn:message
Outputs trace information and discards the result.
message($input as item()*, $label as xs:string?:=()) ➔ empty-sequence()
Arguments | ||||
| $input | item()* | The value to be traced | |
| $label | xs:string? | := () | Label to be included in the trace output |
Result | empty-sequence() | |||
Namespace
http://www.w3.org/2005/xpath-functions
Links to W3C specifications
XPath 4.0 Functions and Operators
Saxon availability
Available in XPath 4.0, XSLT 4.0, and XQuery 4.0. Requires Saxon-PE or Saxon-EE. Implemented since Saxon 13. Available for all platforms.