---
title: Transcript.ToolCall
framework: foundationmodels
role: symbol
role_heading: Structure
path: foundationmodels/transcript/toolcall
---

# Transcript.ToolCall

A tool call generated by the model containing the name of a tool and arguments to pass to it.

## Declaration

```swift
struct ToolCall
```

## Topics

### Creating a tool call

- [init(id:toolName:arguments:)](foundationmodels/transcript/toolcall/init(id:toolname:arguments:).md)
- [init(id:metadata:toolName:arguments:)](foundationmodels/transcript/toolcall/init(id:metadata:toolname:arguments:).md)

### Inspecting a tool call

- [arguments](foundationmodels/transcript/toolcall/arguments.md)
- [toolName](foundationmodels/transcript/toolcall/toolname.md)
- [metadata](foundationmodels/transcript/toolcall/metadata.md)

## Relationships

### Conforms To

- [Copyable](swift/copyable.md)
- [CustomStringConvertible](swift/customstringconvertible.md)
- [Equatable](swift/equatable.md)
- [Escapable](swift/escapable.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.Reasoning](foundationmodels/transcript/reasoning.md)
- [Transcript.Response](foundationmodels/transcript/response.md)
- [Transcript.ToolCalls](foundationmodels/transcript/toolcalls.md)
- [Transcript.ToolOutput](foundationmodels/transcript/tooloutput.md)
- [Transcript.CustomSegment](foundationmodels/transcript/customsegment.md)