# `GSImage saveToFile:format:context:error:`

*Instance Method*

## Declaration

```swift
func save(to file: UnsafeMutablePointer<FILE>!, format formatVersion: GSFormatVersion, context: GSSaveContext!) throws
```

```objc
- (BOOL) saveToFile:(FILE *) file format:(GSFormatVersion) formatVersion context:(GSSaveContext *) context error:(NSError **) error;
```

```python
saveToFile_format_context_error_(file: FILE, formatVersion: GSFormatVersion, context: GSSaveContext) -> tuple[bool, NSError]
```