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# SecTrustSettingsCopyCertificates(_:_:)

Obtains an array of all certificates that have trust settings in a specific trust settings domain.

```
func SecTrustSettingsCopyCertificates(_ domain: SecTrustSettingsDomain, _ certArray: UnsafeMutablePointer<CFArray?>?) -> OSStatus
```

## Parameters

`domain`

The trust settings domain for which you want a list of certificates. For possible values, see [`SecTrustSettingsDomain`](/documentation/Security/SecTrustSettingsDomain).

`certArray`

On return, an array of `SecCertificateRef` objects representing the certificates that have trust settings in the specified domain. In Objective-C, call the <doc://com.apple.documentation/documentation/CoreFoundation/CFRelease> function to release this object when you are finished with it.

## Return Value

A result code. See [Security Framework Result Codes](/documentation/Security/security-framework-result-codes). Returns [`errSecNoTrustSettings`](/documentation/Security/errSecNoTrustSettings) if no trust settings exist for the specified domain.

## Discussion

---

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