# `GSInstance styleMapFamilyNames:`

*Instance Method*

Returns the style map family names.

## Declaration

```swift
func styleMapFamilyNames(_ error: NSErrorPointer) -> GSInfoValueLocalized
```

```objc
- (GSInfoValueLocalized *) styleMapFamilyNames:(NSError **) error;
```

```python
styleMapFamilyNames_() -> tuple[GSInfoValueLocalized, NSError]
```

## Parameters

- `error` — A pointer to an NSError object to store any error that occurs.

## Return Value

The style map family names.