---
title: Config Options for swift4-deprecated
sidebar_label: swift4-deprecated
---

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 |
| ------ | ----------- | ------ | ------- |
|allowUnicodeIdentifiers|boolean, toggles whether unicode identifiers are allowed in names or not, default is false| |false|
|disallowAdditionalPropertiesIfNotPresent|If false, the 'additionalProperties' implementation (set to true by default) is compliant with the OAS and JSON schema specifications. If true (default), keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.|<dl><dt>**false**</dt><dd>The 'additionalProperties' implementation is compliant with the OAS and JSON schema specifications.</dd><dt>**true**</dt><dd>Keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.</dd></dl>|true|
|ensureUniqueParams|Whether to ensure parameter names are unique in an operation (rename parameters that are not).| |true|
|hideGenerationTimestamp|Hides the generation timestamp when files are generated.| |true|
|legacyDiscriminatorBehavior|Set to false for generators with better support for discriminators. (Python, Java, Go, PowerShell, C#have this enabled by default).|<dl><dt>**true**</dt><dd>The mapping in the discriminator includes descendent schemas that allOf inherit from self and the discriminator mapping schemas in the OAS document.</dd><dt>**false**</dt><dd>The mapping in the discriminator includes any descendent schemas that allOf inherit from self, any oneOf schemas, any anyOf schemas, any x-discriminator-values, and the discriminator mapping schemas in the OAS document AND Codegen validates that oneOf and anyOf schemas contain the required discriminator and throws an error if the discriminator is missing.</dd></dl>|true|
|lenientTypeCast|Accept and cast values for simple types (string-&gt;bool, string-&gt;int, int-&gt;string)| |false|
|nonPublicApi|Generates code with reduced access modifiers; allows embedding elsewhere without exposing non-public API calls to consumers.(default: false)| |null|
|objcCompatible|Add additional properties and methods for Objective-C compatibility (default: false)| |null|
|podAuthors|Authors used for Podspec| |null|
|podDescription|Description used for Podspec| |null|
|podDocsetURL|Docset URL used for Podspec| |null|
|podDocumentationURL|Documentation URL used for Podspec| |null|
|podHomepage|Homepage used for Podspec| |null|
|podLicense|License used for Podspec| |null|
|podScreenshots|Screenshots used for Podspec| |null|
|podSocialMediaURL|Social Media URL used for Podspec| |null|
|podSource|Source information used for Podspec| |null|
|podSummary|Summary used for Podspec| |null|
|podVersion|Version used for Podspec| |null|
|prependFormOrBodyParameters|Add form or body parameters to the beginning of the parameter list.| |false|
|projectName|Project name in Xcode| |null|
|responseAs|Optionally use libraries to manage response.  Currently PromiseKit, RxSwift, Result are available.| |null|
|sortModelPropertiesByRequiredFlag|Sort model properties to place required parameters before optional parameters.| |true|
|sortParamsByRequiredFlag|Sort method arguments to place required parameters before optional parameters.| |true|
|swiftUseApiNamespace|Flag to make all the API classes inner-class of {{projectName}}API| |null|
|unwrapRequired|Treat 'required' properties in response as non-optional (which would crash the app if api returns null as opposed to required option specified in json schema| |null|

## IMPORT MAPPING

| Type/Alias | Imports |
| ---------- | ------- |


## INSTANTIATION TYPES

| Type/Alias | Instantiated By |
| ---------- | --------------- |


## LANGUAGE PRIMITIVES

<ul class="column-ul">
<li>Any</li>
<li>AnyObject</li>
<li>Bool</li>
<li>Character</li>
<li>Data</li>
<li>Date</li>
<li>Decimal</li>
<li>Double</li>
<li>Float</li>
<li>Int</li>
<li>Int32</li>
<li>Int64</li>
<li>String</li>
<li>URL</li>
<li>UUID</li>
<li>Void</li>
</ul>

## RESERVED WORDS

<ul class="column-ul">
<li>#available</li>
<li>#colorLiteral</li>
<li>#column</li>
<li>#else</li>
<li>#elseif</li>
<li>#endif</li>
<li>#file</li>
<li>#fileLiteral</li>
<li>#function</li>
<li>#if</li>
<li>#imageLiteral</li>
<li>#line</li>
<li>#selector</li>
<li>#sourceLocation</li>
<li>Any</li>
<li>AnyObject</li>
<li>Array</li>
<li>Bool</li>
<li>COLUMN</li>
<li>Character</li>
<li>Class</li>
<li>ClosedRange</li>
<li>Codable</li>
<li>CountableClosedRange</li>
<li>CountableRange</li>
<li>Data</li>
<li>Decodable</li>
<li>Dictionary</li>
<li>Double</li>
<li>Encodable</li>
<li>Error</li>
<li>ErrorResponse</li>
<li>FILE</li>
<li>FUNCTION</li>
<li>Float</li>
<li>Float32</li>
<li>Float64</li>
<li>Float80</li>
<li>Int</li>
<li>Int16</li>
<li>Int32</li>
<li>Int64</li>
<li>Int8</li>
<li>LINE</li>
<li>OptionSet</li>
<li>Optional</li>
<li>Protocol</li>
<li>Range</li>
<li>Response</li>
<li>Self</li>
<li>Set</li>
<li>StaticString</li>
<li>String</li>
<li>Type</li>
<li>UInt</li>
<li>UInt16</li>
<li>UInt32</li>
<li>UInt64</li>
<li>UInt8</li>
<li>URL</li>
<li>Unicode</li>
<li>Void</li>
<li>_</li>
<li>as</li>
<li>associatedtype</li>
<li>associativity</li>
<li>break</li>
<li>case</li>
<li>catch</li>
<li>class</li>
<li>continue</li>
<li>convenience</li>
<li>default</li>
<li>defer</li>
<li>deinit</li>
<li>didSet</li>
<li>do</li>
<li>dynamic</li>
<li>dynamicType</li>
<li>else</li>
<li>enum</li>
<li>extension</li>
<li>fallthrough</li>
<li>false</li>
<li>fileprivate</li>
<li>final</li>
<li>for</li>
<li>func</li>
<li>get</li>
<li>guard</li>
<li>if</li>
<li>import</li>
<li>in</li>
<li>indirect</li>
<li>infix</li>
<li>init</li>
<li>inout</li>
<li>internal</li>
<li>is</li>
<li>lazy</li>
<li>left</li>
<li>let</li>
<li>mutating</li>
<li>nil</li>
<li>none</li>
<li>nonmutating</li>
<li>open</li>
<li>operator</li>
<li>optional</li>
<li>override</li>
<li>postfix</li>
<li>precedence</li>
<li>prefix</li>
<li>private</li>
<li>protocol</li>
<li>public</li>
<li>repeat</li>
<li>required</li>
<li>rethrows</li>
<li>return</li>
<li>right</li>
<li>self</li>
<li>set</li>
<li>static</li>
<li>struct</li>
<li>subscript</li>
<li>super</li>
<li>switch</li>
<li>throw</li>
<li>throws</li>
<li>true</li>
<li>try</li>
<li>typealias</li>
<li>unowned</li>
<li>var</li>
<li>weak</li>
<li>where</li>
<li>while</li>
<li>willSet</li>
</ul>

## 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
|Array|✓|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

### 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