xdmp.functionParameterName( function as function(*), position as Number ) as xs.QName
Returns the name of the parameter at the designated (1-based) position from the given function's signature.
Parameters | |
---|---|
function | The function value. |
position | The 1-based position of the parameter. |
var fn = xdmp.function(fn.QName("http://www.w3.org/2005/xpath-functions", "empty")); xdmp.functionParameterName(fn,1); => "arg1"