fn:lowest

Returns those items from a supplied sequence that have the lowest value of a sort key, where the sort key can be computed using a caller-supplied function.

lowest($input as item()*, $collation as xs:string?:=fn:default-collation(), $key as (fn(item()) as xs:anyAtomicType*)?:=fn:data#1) ➔ item()*

Arguments
	$input	item()*		The input sequence
	$collation	xs:string?	:= fn:default-collation()	The collation used for comparing strings
	$key	(fn(item()) as xs:anyAtomicType*)?	:= fn:data#1	A function used for computing sort keys
Result		item()*

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 11. Available for all platforms.

Notes on the Saxon implementation

Available since Saxon 13 in XPath 4.0. Available since Saxon 11 provided that syntax extensions are enabled.