---
title: "readWithOptimizer(from:)"
framework: createmlcomponents
role: symbol
role_heading: Instance Method
path: "createmlcomponents/updatablesupervisedtemporalestimator/readwithoptimizer(from:)"
---

# readWithOptimizer(from:)

Reads the encoded transformer and optimizer from a file.

## Declaration

```swift
func readWithOptimizer(from url: URL) throws -> Self.Transformer
```

## Parameters

- `url`: A file URL.

## Return Value

Return Value The decoded transformer.

## See Also

### Reading and writing

- [writeWithOptimizer(_:to:overwrite:)](createmlcomponents/updatablesupervisedtemporalestimator/writewithoptimizer(_:to:overwrite:).md)