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# init(value:expectations:)

Creates a model sample output with an optional expected value and expectations.

```
init(value: Value? = nil, expectations: Expectation? = nil)
```

## Parameters

`value`

The expected output value for comparison.

`expectations`

The expected behavior, such as a tool-call trajectory.

## Discussion

```swift
let output = ModelSampleOutput<String, TrajectoryExpectation>(value: "Paris", expectations: nil)
```

---

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