# `GSInstance postScriptNamePrefix:`

*Instance Method*

Returns the PostScript name prefix.

## Declaration

```swift
func postScriptNamePrefix() throws -> String
```

```objc
- (NSString *) postScriptNamePrefix:(NSError **) error;
```

```python
postScriptNamePrefix_() -> tuple[str, NSError]
```

## Parameters

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

## Return Value

The PostScript name prefix. On failure, this method returns `nil`.