The field attribute is an optional attribute of the editWith element.
The field attribute refers to the XML DOM node in the form's underlying XML document ,which is to be displayed as an editable field for an xText list editing component. The default value is '.', which corresponds to editing the text content of the XML DOM node specified by the item attribute of the xmlToEdit element.
The following is an example of the field attribute as it is used in the editWith element: