MarkLogic 9 Product Documentationxdmp:function-parameter-name
xdmp:function-parameter-name( $function as function(*), $position as xs:integer ) as xs:QName
Summary
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. |
Example
let $fn := fn:empty#1 return xdmp:function-parameter-name($fn,1) => "arg1"