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# init(contentsOf:)

Initializes a filter generator object with the contents of a filter generator file.

```
init?(contentsOf aURL: URL)
```

## Parameters

`aURL`

The location of a filter generator file.

## Return Value

The initialized [`CIFilterGenerator`](/documentation/CoreImage/CIFilterGenerator) object. Returns `nil` if the file can’t be read.

## See Also

[`+  filterGeneratorWithContentsOfURL:`](/documentation/CoreImage/CIFilterGenerator/filterGeneratorWithContentsOfURL:)

Creates and returns a filter generator object and initializes it with the contents of a filter generator file.

[`+  filterGenerator`](/documentation/CoreImage/CIFilterGenerator/filterGenerator)

Creates and returns an empty filter generator object.


---

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