---
title: "init(value:transcript:)"
framework: evaluations
role: symbol
role_heading: Initializer
path: "evaluations/modelsubject/init(value:transcript:)"
---

# init(value:transcript:)

Creates a model subject with a value and optional transcript.

## Declaration

```swift
init(value: Value, transcript: StructuredTranscript? = nil)
```

## Parameters

- `value`: The typed value produced by the model.
- `transcript`: The structured transcript from the model session. Required for tool call evaluations.