NSwag Commands for use with OpenApiReference Options element

NSwagCommands.md

Command	Value Type	Default Value	Description
Namespace	string	"MyNamespace"	The namespace to use on the generated classes for the generated client class
AdditionalNamespaceUsages	string[]	Empty Array	Additional namespaces to include in using directives for the client
GenerateContractsOutput	bool	false	Specifies whether to generate contracts output (interface and models in a separate file set with the ContractsOutput parameter).
ContractsNamespace	string	null	The namespace to use on the generated classes for contracts (interface and models)
ContractsOutput	string	null	The contracts output file path (optional, if no path is set then a single file with the implementation and contracts is generated)
AdditionalContractNamespaceUsages	string[]	Empty Array	Additional namespaces to include in using directives for the contracts (Comma seperated list on command line)
GenerateExceptionClasses	bool	true	Specifies whether to generate custom exception classes or not
ExceptionClass	string	"SwaggerException"	The custom exception class to use if GenerateExceptionClasses is set to true (default 'SwaggerException', may use '{controller}' placeholder).
GenerateClientClasses	bool	true	Specifies whether to generate client classes or not. You may decide to turn this off if just want client contracts generated
OperationGenerationMode	string	"MultipleClientsFromOperationId"	The operation generation mode from one of these options : * MultipleClientsFromOperationId : Multiple clients from the Swagger operation ID in the form '{controller}_{action}' * MultipleClientsFromPathSegments : From path segments (operation name = last segment, client name = second to last segment) * MultipleClientsFromFirstTagAndPathSegments : From the first operation tag and path segments (operation name = last segment, client name = first operation tag) * MultipleClientsFromFirstTagAndOperationId : From the first operation tag and path segments (operation name = last segment, client name = first operation tag). * SingleClientFromOperationId : From the Swagger operation ID. * SingleClientFromPathSegments : From path segments suffixed by HTTP operation name
ClientBaseInterface	string	null	Base interface for client interfaces (empty for no client base interface)
WrapDtoExceptions	bool	true	Specifies whether DTO exceptions are wrapped in a SwaggerException instance (default: true)
WrapResponses	bool	false	Specifies whether to wrap success responses to allow full response access
GenerateResponseClasses	bool	true	Specifies whether to generate response classes (default: true)
ResponseClass	string	"SwaggerResponse"	The response class (default 'SwaggerResponse', may use '{controller}' placeholder)
WrapResponseMethods	string[]	Empty Array	List of methods where responses are wrapped ('ControllerName.MethodName', WrapResponses must be true)
ParameterArrayType	string	"System.Collections.Generic.IEnumerable"	The generic array .NET type of operation parameters (default: 'IEnumerable')
ParameterDictionaryType	string	"System.Collections.Generic.IDictionary"	The generic dictionary .NET type of operation parameters (default: 'IDictionary')
ResponseArrayType	string	"System.Collections.Generic.ICollection"	The generic array .NET type of operation responses (default: 'ICollection')
ResponseDictionaryType	string	"System.Collections.Generic.IDictionary"	The generic dictionary .NET type of operation responses (default: 'IDictionary')
GenerateDtoTypes	bool	true	Specifies whether to generate DTO classes
GenerateOptionalPropertiesAsNullable	bool	false	Specifies whether optional schema properties
GenerateNullableReferenceTypes	bool	false	Specifies whether whether to enerate Nullable Reference Type annotations (default: false).
ExcludedTypeNames	string[]	Empty Array	The excluded DTO type names (must be defined in an import or other namespace)
TypeAccessModifier	string	"public"	The DTO class/enum access modifier (default: public).
GenerateDefaultValues	bool	true	Specifies whether to generate default values for properties (may generate CSharp 6 code, default: true)
GenerateImmutableArrayProperties	bool	false	Specifies whether to remove the setter for non-nullable array properties (default: false)
GenerateImmutableDictionaryProperties	bool	false	Specifies whether to remove the setter for non-nullable dictionary properties (default: false).
GenerateDataAnnotations	bool	true	Specifies whether to generate data annotation attributes on DTO classes (default: true)
GenerateJsonMethods	bool	false	Specifies whether to render ToJson() and FromJson() methods for DTOs (default: true)
EnforceFlagEnums	bool	false	Specifies whether enums should be always generated as bit flags (default: false).
InlineNamedArrays	bool	false	Inline named arrays (default: false)
InlineNamedDictionaries	bool	false	Inline named dictionaries (default: false)
InlineNamedTuples	bool	true	Inline named tuples (default: true).
InlineNamedAny	bool	false	Inline named any types (default: false).
ClassStyle	sting	"Poco"	The CSharp class style, 'Poco' or 'Inpc' (default: 'Poco')
RequiredPropertiesMustBeDefined	bool	true	Specifies whether a required property must be defined in JSON (sets Required.Always when the property is required).
HandleReferences	bool	false	Use preserve references handling (All) in the JSON serializer (default: false)
JsonConverters	string[]	null	Specifies the custom Json.NET converter types (optional, comma separated).
JsonSerializerSettingsTransformationMethod	string	null	Specifies the custom Json.NET converter types (optional, comma separated)
AnyType	string	"object",	The any .NET type (default: 'object')
DateType	string	"System.DateTimeOffset"	The date .NET type (default: 'DateTimeOffset')
DateTimeType	string	"System.DateTimeOffset"	The date time .NET type (default: 'DateTimeOffset')
TimeType	string	"System.TimeSpan"	The time .NET type (default: 'TimeSpan')
TimeSpanType	string	"System.TimeSpan"	The time span .NET type (default: 'TimeSpan')
ArrayType	string	"System.Collections.Generic.ICollection",	ArrayType
ArrayInstanceType	string	"System.Collections.ObjectModel.Collection"	"The generic array .NET instance type (default: empty = ArrayType)
DictionaryType	string	"System.Collections.Generic.IDictionary"	The generic dictionary .NET type (default: 'IDictionary')
DictionaryInstanceType	string	"System.Collections.Generic.Dictionary"	The generic dictionary .NET instance type (default: empty = DictionaryType)
ArrayBaseType	string	"System.Collections.ObjectModel.Collection"	The generic array .NET type (default: 'Collection')
DictionaryBaseType	string	"System.Collections.Generic.Dictionary"	The generic dictionary .NET type (default: 'Dictionary')
ServiceHost	string	null	Overrides the service host of the web document (optional, use '.' to remove the hostname).
ServiceSchemes	string[]	null	Overrides the allowed schemes of the web service (optional, comma separated, 'http', 'https', 'ws', 'wss').
TemplateDirectory	string	null	The Liquid template directory (experimental)
Output	string	null	The output file path (optional)
NewLineBehavior	string	"Auto"	The new line behavior (Auto (OS default), CRLF, LF)
ConfigurationClass	string	null	The configuration class. The setting ClientBaseClass must be set. (empty for no configuration class)

typo: OpenApiRefrerence -> OpenApiReference

Another way to see all the options available:

nswag help openapi2csclient

nswag help openapi2tsclient

Thanks ... didn't know about that one. Typo corrected.

TypeAccessModifier = ClientClassAccessModifier in version 13.16.1