addFieldset()
Overview
public any function addFieldset(
      required string id 
    , required string tab
)
Adds a fieldset to the given tab. If the tab does not exist, it is created. Any arguments other than id and tab are uses as attributes for the fieldset definition.
Arguments
| Name | Type | Required | Description | 
|---|---|---|---|
| id | string | Yes | ID of the fieldset to create | 
| tab | string | Yes | ID of the tab to append the fieldset to |