## Overview Add a new element to HTML hidden using "[Server Script](/en/manual/table-management-server-script)". ## Syntax ``` hidden.Add(key, value); ``` ## Parameters |No|Parameter|Type|Required|Overview| |:--|:----------|:----------|:---:|:---------------------------| |1|key|string|Yes|ID of hidden element| |2|value|object|Yes|Value of hidden element| ## Return Value There is no return value. ## Usage Example The following example converts an array of IDs of the groups to which it belongs to JSON and outputs them to the hidden element (ID:MyGroups). ##### JavaScript ``` hidden.Add('MyGroups', JSON.stringify(Array.from(context.Groups))); ``` ## Related Information <div id="ManualList"><ul><li><a href="/en/manual/table-management-server-script">Table Management: Server Script</a><span>08.13.2024 up</span></li></ul></article></div><input id="SearchTextHidden" type="hidden" value="" />