---
title: disallowed
framework: foundationmodels
role: symbol
role_heading: Type Property
path: foundationmodels/generationoptions/toolcallingmode-swift.struct/disallowed
---

# disallowed

The model may not call any tool.

## Declaration

```swift
static let disallowed: GenerationOptions.ToolCallingMode
```

## Mentioned in

Expanding generation with tool calling

## See Also

### Getting the tool calling modes

- [allowed](foundationmodels/generationoptions/toolcallingmode-swift.struct/allowed.md)
- [required](foundationmodels/generationoptions/toolcallingmode-swift.struct/required.md)