---
title: Documentation for the aspnetcore Generator
---
## METADATA
| Property | Value | Notes |
| -------- | ----- | ----- |
| generator name | aspnetcore | pass this to the generate command after -g |
| generator stability | STABLE | |
| generator type | SERVER | |
| generator language | C# | |
| generator default templating engine | mustache | |
| helpTxt | Generates an ASP.NET Core Web API server. | |
## CONFIG OPTIONS
These options may be applied as additional-properties (cli) or configOptions (plugins). Refer to [configuration docs](https://openapi-generator.tech/docs/configuration) for more details.
| Option | Description | Values | Default |
| ------ | ----------- | ------ | ------- |
|aspnetCoreVersion|ASP.NET Core version: 6.0, 5.0, 3.1, 3.0, 2.2, 2.1, 2.0 (deprecated)|- **2.0**
- ASP.NET Core 2.0
- **2.1**
- ASP.NET Core 2.1
- **2.2**
- ASP.NET Core 2.2
- **3.0**
- ASP.NET Core 3.0
- **3.1**
- ASP.NET Core 3.1
- **5.0**
- ASP.NET Core 5.0
- **6.0**
- ASP.NET Core 6.0
|3.1|
|buildTarget|Target to build an application or library|- **program**
- Generate code for a standalone server
- **library**
- Generate code for a server abstract class library
|program|
|classModifier|Class Modifier for controller classes: Empty string or abstract.| ||
|compatibilityVersion|ASP.Net Core CompatibilityVersion| |Version_2_2|
|enumNameSuffix|Suffix that will be appended to all enum names.| |Enum|
|enumValueSuffix|Suffix that will be appended to all enum values.| |Enum|
|generateBody|Generates method body.| |true|
|isLibrary|Is the build a library| |false|
|licenseName|The name of the license| |NoLicense|
|licenseUrl|The URL of the license| |http://localhost|
|modelClassModifier|Model Class Modifier can be nothing or partial| |partial|
|newtonsoftVersion|Version for Microsoft.AspNetCore.Mvc.NewtonsoftJson for ASP.NET Core 3.0+| |3.0.0|
|nullableReferenceTypes|Use nullable annotations in the project. Only supported on C# 8 / ASP.NET Core 3.1 or newer.| |false|
|operationIsAsync|Set methods to async or sync (default).| |false|
|operationModifier|Operation Modifier can be virtual or abstract|- **virtual**
- Keep method virtual
- **abstract**
- Make method abstract
|virtual|
|operationResultTask|Set methods result to Task<>.| |false|
|packageAuthors|Specifies Authors property in the .NET Core project file.| |OpenAPI|
|packageCopyright|Specifies an AssemblyCopyright for the .NET Framework global assembly attributes stored in the AssemblyInfo file.| |No Copyright|
|packageDescription|Specifies a AssemblyDescription for the .NET Framework global assembly attributes stored in the AssemblyInfo file.| |A library generated from a OpenAPI doc|
|packageGuid|The GUID that will be associated with the C# project| |null|
|packageName|C# package name (convention: Title.Case).| |Org.OpenAPITools|
|packageTitle|Specifies an AssemblyTitle for the .NET Framework global assembly attributes stored in the AssemblyInfo file.| |OpenAPI Library|
|packageVersion|C# package version.| |1.0.0|
|pocoModels|Build POCO Models| |false|
|returnICollection|Return ICollection<T> instead of the concrete type.| |false|
|sortParamsByRequiredFlag|Sort method arguments to place required parameters before optional parameters.| |true|
|sourceFolder|source folder for generated code| |src|
|swashbuckleVersion|Swashbuckle version: 3.0.0 (deprecated), 4.0.0 (deprecated), 5.0.0 (deprecated), 6.4.0|- **3.0.0**
- Swashbuckle 3.0.0
- **4.0.0**
- Swashbuckle 4.0.0
- **5.0.0**
- Swashbuckle 5.0.0
- **6.4.0**
- Swashbuckle 6.4.0
|3.0.0|
|useCollection|Deserialize array types to Collection<T> instead of List<T>.| |false|
|useDateTimeOffset|Use DateTimeOffset to model date-time properties| |false|
|useDefaultRouting|Use default routing for the ASP.NET Core version.| |true|
|useFrameworkReference|Use frameworkReference for ASP.NET Core 3.0+ and PackageReference ASP.NET Core 2.2 or earlier.| |false|
|useNewtonsoft|Uses the Newtonsoft JSON library.| |true|
|useSeparateModelProject|Create a separate project for models| |false|
|useSwashbuckle|Uses the Swashbuckle.AspNetCore NuGet package for documentation.| |true|
## IMPORT MAPPING
| Type/Alias | Imports |
| ---------- | ------- |
## INSTANTIATION TYPES
| Type/Alias | Instantiated By |
| ---------- | --------------- |
|array|List|
|list|List|
|map|Dictionary|
## LANGUAGE PRIMITIVES
- Boolean
- Collection
- DateTime
- DateTime?
- DateTimeOffset
- DateTimeOffset?
- Decimal
- Dictionary
- Double
- Float
- Guid
- Guid?
- ICollection
- Int32
- Int64
- List
- Object
- String
- System.IO.Stream
- bool
- bool?
- byte[]
- decimal
- decimal?
- double
- double?
- float
- float?
- int
- int?
- long
- long?
- string
## RESERVED WORDS
- Client
- Configuration
- Version
- abstract
- as
- async
- await
- base
- bool
- break
- byte
- case
- catch
- char
- checked
- class
- client
- const
- continue
- decimal
- default
- delegate
- do
- double
- dynamic
- else
- enum
- event
- explicit
- extern
- false
- finally
- fixed
- float
- for
- foreach
- goto
- if
- implicit
- in
- int
- interface
- internal
- is
- localVarFileParams
- localVarFormParams
- localVarHeaderParams
- localVarHttpContentType
- localVarHttpContentTypes
- localVarHttpHeaderAccept
- localVarHttpHeaderAccepts
- localVarPath
- localVarPathParams
- localVarPostBody
- localVarQueryParams
- localVarResponse
- localVarStatusCode
- lock
- long
- namespace
- new
- null
- object
- operator
- out
- override
- parameter
- params
- private
- protected
- public
- readonly
- ref
- return
- sbyte
- sealed
- short
- sizeof
- stackalloc
- static
- string
- struct
- switch
- this
- throw
- true
- try
- typeof
- uint
- ulong
- unchecked
- unsafe
- ushort
- using
- var
- virtual
- void
- volatile
- while
- yield
## FEATURE SET
### Client Modification Feature
| Name | Supported | Defined By |
| ---- | --------- | ---------- |
|BasePath|✗|ToolingExtension
|Authorizations|✗|ToolingExtension
|UserAgent|✗|ToolingExtension
|MockServer|✗|ToolingExtension
### Data Type Feature
| Name | Supported | Defined By |
| ---- | --------- | ---------- |
|Custom|✗|OAS2,OAS3
|Int32|✓|OAS2,OAS3
|Int64|✓|OAS2,OAS3
|Float|✓|OAS2,OAS3
|Double|✓|OAS2,OAS3
|Decimal|✓|ToolingExtension
|String|✓|OAS2,OAS3
|Byte|✓|OAS2,OAS3
|Binary|✓|OAS2,OAS3
|Boolean|✓|OAS2,OAS3
|Date|✓|OAS2,OAS3
|DateTime|✓|OAS2,OAS3
|Password|✓|OAS2,OAS3
|File|✓|OAS2
|Uuid|✗|
|Array|✓|OAS2,OAS3
|Null|✗|OAS3
|AnyType|✗|OAS2,OAS3
|Object|✓|OAS2,OAS3
|Maps|✓|ToolingExtension
|CollectionFormat|✓|OAS2
|CollectionFormatMulti|✓|OAS2
|Enum|✓|OAS2,OAS3
|ArrayOfEnum|✓|ToolingExtension
|ArrayOfModel|✓|ToolingExtension
|ArrayOfCollectionOfPrimitives|✓|ToolingExtension
|ArrayOfCollectionOfModel|✓|ToolingExtension
|ArrayOfCollectionOfEnum|✓|ToolingExtension
|MapOfEnum|✓|ToolingExtension
|MapOfModel|✓|ToolingExtension
|MapOfCollectionOfPrimitives|✓|ToolingExtension
|MapOfCollectionOfModel|✓|ToolingExtension
|MapOfCollectionOfEnum|✓|ToolingExtension
### Documentation Feature
| Name | Supported | Defined By |
| ---- | --------- | ---------- |
|Readme|✓|ToolingExtension
|Model|✓|ToolingExtension
|Api|✓|ToolingExtension
### Global Feature
| Name | Supported | Defined By |
| ---- | --------- | ---------- |
|Host|✓|OAS2,OAS3
|BasePath|✓|OAS2,OAS3
|Info|✓|OAS2,OAS3
|Schemes|✗|OAS2,OAS3
|PartialSchemes|✓|OAS2,OAS3
|Consumes|✓|OAS2
|Produces|✓|OAS2
|ExternalDocumentation|✓|OAS2,OAS3
|Examples|✓|OAS2,OAS3
|XMLStructureDefinitions|✗|OAS2,OAS3
|MultiServer|✗|OAS3
|ParameterizedServer|✗|OAS3
|ParameterStyling|✗|OAS3
|Callbacks|✗|OAS3
|LinkObjects|✗|OAS3
### Parameter Feature
| Name | Supported | Defined By |
| ---- | --------- | ---------- |
|Path|✓|OAS2,OAS3
|Query|✓|OAS2,OAS3
|Header|✓|OAS2,OAS3
|Body|✓|OAS2
|FormUnencoded|✓|OAS2
|FormMultipart|✓|OAS2
|Cookie|✓|OAS3
### Schema Support Feature
| Name | Supported | Defined By |
| ---- | --------- | ---------- |
|Simple|✓|OAS2,OAS3
|Composite|✓|OAS2,OAS3
|Polymorphism|✓|OAS2,OAS3
|Union|✗|OAS3
|allOf|✗|OAS2,OAS3
|anyOf|✗|OAS3
|oneOf|✗|OAS3
|not|✗|OAS3
### Security Feature
| Name | Supported | Defined By |
| ---- | --------- | ---------- |
|BasicAuth|✓|OAS2,OAS3
|ApiKey|✓|OAS2,OAS3
|OpenIDConnect|✗|OAS3
|BearerToken|✓|OAS3
|OAuth2_Implicit|✗|OAS2,OAS3
|OAuth2_Password|✗|OAS2,OAS3
|OAuth2_ClientCredentials|✗|OAS2,OAS3
|OAuth2_AuthorizationCode|✗|OAS2,OAS3
### Wire Format Feature
| Name | Supported | Defined By |
| ---- | --------- | ---------- |
|JSON|✓|OAS2,OAS3
|XML|✓|OAS2,OAS3
|PROTOBUF|✗|ToolingExtension
|Custom|✗|OAS2,OAS3