---
title: "ArgumentMatcher.exact(argumentName:value:)"
framework: evaluations
role: symbol
role_heading: Case
path: "evaluations/argumentmatcher/exact(argumentname:value:)"
---

# ArgumentMatcher.exact(argumentName:value:)

A value that indicates that the argument must be present with this exact key and value.

## Declaration

```swift
case exact(argumentName: String, value: ArgumentValue)
```

## Mentioned in

Evaluating tool-calling behavior

## See Also

### Exact matching

- [ArgumentMatcher.keyOnly(argumentName:)](evaluations/argumentmatcher/keyonly(argumentname:).md)