---
title: "init(version:attributes:className:parentClass:staticValues:staticFunctions:initialize:finalize:hasProperty:getProperty:setProperty:deleteProperty:getPropertyNames:callAsFunction:callAsConstructor:hasInstance:convertToType:)"
framework: javascriptcore
role: symbol
role_heading: Initializer
path: "javascriptcore/jsclassdefinition/init(version:attributes:classname:parentclass:staticvalues:staticfunctions:initialize:finalize:hasproperty:getproperty:setproperty:deleteproperty:getpropertynames:callasfunction:callasconstructor:hasinstance:converttotype:)"
---

# init(version:attributes:className:parentClass:staticValues:staticFunctions:initialize:finalize:hasProperty:getProperty:setProperty:deleteProperty:getPropertyNames:callAsFunction:callAsConstructor:hasInstance:convertToType:)

Creates a class definition with the specified values.

## Declaration

```swift
init(version: Int32, attributes: JSClassAttributes, className: UnsafePointer<CChar>!, parentClass: JSClassRef!, staticValues: UnsafePointer<JSStaticValue>!, staticFunctions: UnsafePointer<JSStaticFunction>!, initialize: JSObjectInitializeCallback!, finalize: JSObjectFinalizeCallback!, hasProperty: JSObjectHasPropertyCallback!, getProperty: JSObjectGetPropertyCallback!, setProperty: JSObjectSetPropertyCallback!, deleteProperty: JSObjectDeletePropertyCallback!, getPropertyNames: JSObjectGetPropertyNamesCallback!, callAsFunction: JSObjectCallAsFunctionCallback!, callAsConstructor: JSObjectCallAsConstructorCallback!, hasInstance: JSObjectHasInstanceCallback!, convertToType: JSObjectConvertToTypeCallback!)
```

## See Also

### Creating a Class Definition

- [init()](javascriptcore/jsclassdefinition/init().md)
- [JSClassAttributes](javascriptcore/jsclassattributes.md)