|-
| '''Summary'''
|Serializes the node specified by {{Code|$input}} as CSV data, and returns the result as {{Code|xs:string}}.<br />XML documents can also be serialized as CSV if the [[Serialization|Serialization Option]] parameter {{Code|method}} is set to {{Code|csv}}.<br/>With the {{Code|$options}} argument, the way the node is serialized can be controlled.
|-
| '''Errors'''