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

# applied(to:eventHandler:)

Extracts a window sequence from the input sequence

## Declaration

```swift
func applied<S>(to input: S, eventHandler: EventHandler?) throws -> SlidingWindowTransformer<Input>.WindowSequence where Input == S.Feature, S : TemporalSequence
```

## Parameters

- `input`: An async sequence of inputs.
- `eventHandler`: An event handler.

## Return Value

Return Value An async sequence of windowed outputs.

## See Also

### Performing the transformation

- [SlidingWindowTransformer.WindowSequence](createmlcomponents/slidingwindowtransformer/windowsequence.md)