# `GSAxis userDataForKey:`

*Instance Method*

convenience accessor to get to the content of the userData dict

## Declaration

```swift
func userData(forKey key: String) -> NSObject?
```

```objc
- (NSObject *) userDataForKey:(NSString *) key;
```

```python
userDataForKey_(key: str) -> NSObject
```

## Parameters

- `key` — The key

## Return Value

The data stored with key