---
title: "fitted(to:eventHandler:)"
framework: createmlcomponents
role: symbol
role_heading: Instance Method
path: "createmlcomponents/temporaltransformertoupdatableestimatoradaptor/fitted(to:eventhandler:)"
---

# fitted(to:eventHandler:)

Returns the pre-defined transformer.

## Declaration

```swift
func fitted<InputSequence>(to input: InputSequence, eventHandler: EventHandler? = nil) async throws -> Transformer where InputSequence : Sequence, Transformer.Input == InputSequence.Element.Feature, InputSequence.Element : TemporalSequence
```

## Parameters

- `input`: A sequence of examples.
- `eventHandler`: An event handler.

## Return Value

Return Value The fitted transformer.

## See Also

### Fitting and updating

- [makeTransformer()](createmlcomponents/temporaltransformertoupdatableestimatoradaptor/maketransformer().md)
- [update(_:with:eventHandler:)](createmlcomponents/temporaltransformertoupdatableestimatoradaptor/update(_:with:eventhandler:).md)