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# JSObjectGetProperty(_:_:_:_:)

Gets a property from an object.

```
func JSObjectGetProperty(_ ctx: JSContextRef!, _ object: JSObjectRef!, _ propertyName: JSStringRef!, _ exception: UnsafeMutablePointer<JSValueRef?>!) -> JSValueRef!
```

## Parameters

`ctx`

The execution context to use.

`object`

The [`JSObjectRef`](/documentation/JavaScriptCore/JSObjectRef) with the property you want to get.

`propertyName`

A [`JSStringRef`](/documentation/JavaScriptCore/JSStringRef) that contains the property’s name.

`exception`

A pointer to a [`JSValueRef`](/documentation/JavaScriptCore/JSValueRef) to store an exception in, if any. Pass `NULL` to discard any exception.

## Return Value

The property’s value, if `object` has the property; otherwise, the undefined value.

## Discussion

---

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