The last function is used to get the last item in the given sequence.
last()
let $items := (1,2,3,4,5,6) let $lastElement := $items[last()] return <result> <lastElement>{$lastElement}</lastElement> </result>
<result> <lastElement>6</lastElement> </result>
In order to test the above-mentioned functionality, replace the contents of books.xqy (mentioned in Environment Setup chapter) with the above XQuery expression and execute the XQueryTester java program to verify the result.