sum

XSLT/XPath Reference: XSLT elements, EXSLT functions, XPath functions, XPath axes

The sum function returns a number that is the sum of the numeric values of each node in a given node-set.

sum(node-set)

node-set: The node-set to be evaluated. Each node in this node-set is evaluated as if it were passed to the number() function, and a sum of the resulting numbers is returned.

A number.

(None)

Supported.