addItem()
Overview
public string function addItem(
      required string formId       
    , required string itemType     
    , required struct configuration
    ,          string question      = ""
)
Adds a new item to the form. Returns the ID of the newly generated item
Arguments
| Name | Type | Required | Description | 
|---|---|---|---|
| formId | string | Yes | ID of the form to which to add the new item | 
| itemType | string | Yes | ID of the item type, e.g. 'content' or 'textarea', etc. | 
| configuration | struct | Yes | Structure of configuration options for the item | 
| question | string | No (default="") |