string (field name)
Field name, whose value decides alternative icons for the table records, the default icon is the one defined with the iconfile value.
The values in the field referenced by this property must match entries in the array defined in typeicon_classes properties. If no match is found, the default icon is used. See example in the related typeicon_classes property.
If used, the value of this property is often set to the same field name as type.
The pages table has a special configuration and relies on the