`TDDFieldDef`
		Domain
pl		FieldType
pl		AlignMent
pl		CustomConstraint
pl		ConstraintErrorMessage
pl		DBDefault
pl		DefaultExpression
pl		DisplayLabel
pl		DisplayWidth
pl		FieldName
pl		DomainName
pl		Constraint
pl		ReadOnly
pl		Required
pl		Visible
pl		Size
pl		Precision
pl		Hint
pl		ProviderFlags