BooleanType
Compound\BooleanType
ChoiceType
DateTimeType
EmailType
HtmlType
IdentifierType
IntegerType
ItemLinkType
LinkType
NumberType
RangeType
TextLineType
TextType
UrlType
ContentTypeType
SectionType
ObjectStateType
LocationType
ContentType
TagsType
TaxonType
Identifier
identifier
Class
Netgen\Layouts\Parameters\ParameterType\IdentifierType
Valid value
A string matching the ^[A-Za-z]([A-Za-z0-9_])*$ regex
^[A-Za-z]([A-Za-z0-9_])*$