Attachment - The field is a attachment field.
AutoNumber - The field is a autonumber field.
Date - The field is a date field.
Formula - The field is a formula field.
Image - The field is a image field.
List - The field is a list field.
Number - The field is a number field.
Reference - The field is a reference field.
SurveyCampaign - The field is a survey campaign field.
SurveyDelegation - The field is a survey delegation field.
SurveyGroupScoring - The field is a survey group scoring field.
SurveyReference - The field is a survey reference field.
SurveyUnifiedAnswer - The field is a survey unified answer field.
Text - The field is a text field.
TimeSpan - The field is a timespan field.
FieldType - The type of field.