|-
| '''Summary'''
|Serializes Writes a serialized sequence of items to the specified file. If the file already exists, it will be overwritten.<br />The optional argument {{Code|$params}} is used to set the serialization parameters (see [[Serialization]] for more details).It can be specified as<br />
* {{Code|element(serialization-parameters)}}: {{Code|<serialization-parameters/>}} must be used as root element, and the parameters are specified as child nodes, with the element name representing the serialization parameter and the attribute {{Code|value}} representing its value:<br /><code><serialization-parameters xmlns="http://www.w3.org/2010/xslt-xquery-serialization"><br/> <method value='xml'/><br/> <cdata-section-elements value="div"/><br/> ...<br/></serialization-parameters></code>
* [[Map Module|map structure]]: all parameters can be directly represented as key/value pairs:<br /><code>map { "method" := "xml", "cdata-section-elements" := "div", ... }</code><br/>