---
title: "init(input:expected:expectations:)"
framework: evaluations
role: symbol
role_heading: Initializer
path: "evaluations/modelsample/init(input:expected:expectations:)"
---

# init(input:expected:expectations:)

Creates a model sample with a prebuilt input.

## Declaration

```swift
init(input: ModelSampleInput, expected: ExpectedValue? = Optional<String>(nilLiteral: ()), expectations: TrajectoryExpectation? = nil)
```

## See Also

### Creating a sample

- [init(prompt:expected:instructions:generationSchema:expectations:)](evaluations/modelsample/init(prompt:expected:instructions:generationschema:expectations:)-7daed.md)
- [init(prompt:expected:instructions:generationSchema:expectations:)](evaluations/modelsample/init(prompt:expected:instructions:generationschema:expectations:)-8mni.md)