JavaScriptCore.ClassGetPropertyFunction
Description: Reference for JavaScriptCore.ClassGetPropertyFunction

### Function

# JavaScriptCoreClassGetPropertyFunction

unstable since: 4.1

#### Declaration

    JSCValue*
    (* JSCClassGetPropertyFunction) (
      JSCClass* jsc_class,
      JSCContext* context,
      gpointer instance,
      const char* name
    )

#### Description [src]

The type of get_property in `JSCClassVTable`. This is only required when you need to handle external properties not added to the prototype.

Available since: 4.1

#### Parameters

`jsc_class`

  Type: `JSCClass`

  A `JSCClass`.

  The data is owned by the caller of the function.

`context`

  Type: `JSCContext`

  A `JSCContext`.

  The data is owned by the caller of the function.

`instance`

  Type: `gpointer`

  The `jsc_class` instance.

  The argument can be `NULL`.
  The data is owned by the caller of the function.

`name`

  Type: `const char*`

  The property name.

  The data is owned by the caller of the function.
  The value is a NUL terminated UTF-8 string.

#### Return value

Type: `JSCValue`

A `JSCValue` or `NULL` to forward the request to the parent class or prototype chain.

The caller of the function takes ownership of the data, and is responsible for freeing it.
The return value can be `NULL`.