---
title: "update(_:with:eventHandler:)"
framework: createmlcomponents
role: symbol
role_heading: Instance Method
path: "createmlcomponents/transformertoupdatableestimatoradaptor/update(_:with:eventhandler:)"
---

# update(_:with:eventHandler:)

Does nothing since this estimator uses a pre-defined transformer.

## Declaration

```swift
func update<InputSequence>(_ transformer: inout Transformer, with input: InputSequence, eventHandler: EventHandler? = nil) async throws where InputSequence : Sequence, Transformer.Input == InputSequence.Element
```

## See Also

### Fitting and updating

- [fitted(to:eventHandler:)](createmlcomponents/transformertoupdatableestimatoradaptor/fitted(to:eventhandler:).md)
- [makeTransformer()](createmlcomponents/transformertoupdatableestimatoradaptor/maketransformer().md)