<!--
{
  "availability" : [
    "iOS: 16.0.0 -",
    "iPadOS: 16.0.0 -",
    "macCatalyst: 16.0.0 -",
    "macOS: 13.0.0 -",
    "tvOS: 16.0.0 -",
    "visionOS: 1.0.0 -",
    "watchOS: 11.0.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "CreateMLComponents",
  "identifier" : "/documentation/CreateMLComponents/FullyConnectedNetworkClassifier/update(_:with:eventHandler:)",
  "metadataVersion" : "0.1.0",
  "role" : "Instance Method",
  "symbol" : {
    "kind" : "Instance Method",
    "modules" : [
      "Create ML Components",
      "CreateMLComponents"
    ],
    "preciseIdentifier" : "s:18CreateMLComponents31FullyConnectedNetworkClassifierV6update_4with12eventHandleryAA0cdeF5ModelVyxq_Gz_qd__yAA5EventVYbcSgtYaKSTRd__AA16AnnotatedFeatureVy6CoreML13MLShapedArrayVyxGq_G7ElementRtd__lF"
  },
  "title" : "update(_:with:eventHandler:)"
}
-->

# update(_:with:eventHandler:)

Updates a fully connected network classifier model with a new sequence of examples.

```
func update<InputSequence>(_ transformer: inout FullyConnectedNetworkClassifierModel<Scalar, Label>, with input: InputSequence, eventHandler: EventHandler? = nil) async throws where InputSequence : Sequence, InputSequence.Element == AnnotatedFeature<MLShapedArray<Scalar>, Label>
```

## Parameters

`transformer`

A fully connected network classifier model to update.

`input`

A sequence of examples.

`eventHandler`

An event handler.

---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)