## Overview Add a new element to HTML hidden using "「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"> <article class="s-blog_list_unit"><h2> <h2>The specified information was not found.</h2> <p><a href="/ja/manual">Return to top</a></p> </article> </div><input id="SearchTextHidden" type="hidden" value="" />