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# kSecMatchLimit

A key whose value indicates the match limit.

```
let kSecMatchLimit: CFString
```

## Discussion

The corresponding value is of type <doc://com.apple.documentation/documentation/CoreFoundation/CFNumber>. If provided, this value specifies the maximum number of results to return or otherwise act upon. For a single item, specify [`kSecMatchLimitOne`](/documentation/Security/kSecMatchLimitOne). To specify all matching items, specify [`kSecMatchLimitAll`](/documentation/Security/kSecMatchLimitAll). The default behavior is function-dependent.

---

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