* {{Code|xs:string}}, containing the resource in its string representation, or
* {{Code|node()}}, containing the resource itself.
{{Code|$schema}} can be used to specify the schema for validation. If no schema is given, {{Code|$input}} is required to contain an {{Code|xsi:(noNamespace)schemaLocation}} attribute as defined in [http://www.w3.org/TR/xmlschema-1/#xsi_schemaLocation W3C XML Schema].<br />
|-
| '''Errors'''