---
title: Transcript.Reasoning
framework: foundationmodels
role: symbol
role_heading: Structure
path: foundationmodels/transcript/reasoning
---

# Transcript.Reasoning

A reasoning entry from the model.

## Declaration

```swift
struct Reasoning
```

## Topics

### Creating a reasoning instance

- [init(id:metadata:segments:signature:)](foundationmodels/transcript/reasoning/init(id:metadata:segments:signature:).md)

### Inspecting the reasoning

- [description](foundationmodels/transcript/reasoning/description.md)
- [metadata](foundationmodels/transcript/reasoning/metadata.md)
- [segments](foundationmodels/transcript/reasoning/segments.md)
- [signature](foundationmodels/transcript/reasoning/signature.md)

## Relationships

### Conforms To

- [Equatable](swift/equatable.md)
- [Identifiable](swift/identifiable.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### Constructing content

- [Transcript.TextSegment](foundationmodels/transcript/textsegment.md)
- [Transcript.StructuredSegment](foundationmodels/transcript/structuredsegment.md)
- [Transcript.ResponseFormat](foundationmodels/transcript/responseformat.md)
- [Transcript.ToolDefinition](foundationmodels/transcript/tooldefinition.md)
- [Transcript.AttachmentSegment](foundationmodels/transcript/attachmentsegment.md)
- [Transcript.ImageAttachment](foundationmodels/transcript/imageattachment.md)
- [Transcript.Instructions](foundationmodels/transcript/instructions.md)
- [Transcript.Prompt](foundationmodels/transcript/prompt.md)
- [Transcript.Response](foundationmodels/transcript/response.md)
- [Transcript.ToolCall](foundationmodels/transcript/toolcall.md)
- [Transcript.ToolCalls](foundationmodels/transcript/toolcalls.md)
- [Transcript.ToolOutput](foundationmodels/transcript/tooloutput.md)
- [Transcript.CustomSegment](foundationmodels/transcript/customsegment.md)