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# setPolicies(_:)

Specifies one or more policies that apply to the displayed certificates.

```
func setPolicies(_ policies: Any!)
```

## Parameters

`policies`

The policies to use when evaluating the certificates’ status. You can pass either a <doc://com.apple.documentation/documentation/Security/SecPolicy> object or an <doc://com.apple.documentation/documentation/Foundation/NSArray> (containing one or more <doc://com.apple.documentation/documentation/Security/SecPolicy> instances) in this parameter. If `policies` is set to `nil`, the Apple X.509 Basic Policy is used.

## Discussion

The [`SFChooseIdentityPanel`](/documentation/SecurityInterface/SFChooseIdentityPanel) class evaluates trust for the certificates it displays. Applications typically display certificates in the context of a specific use, such as SSL or S/MIME. You should set only the policy references that apply to your intended use. See <doc://com.apple.documentation/documentation/Security/certificate-key-and-trust-services> for a list of policies and object identifiers provided by the [AppleX509TP Module](https://developer.apple.com/library/archive/documentation/Security/Conceptual/cryptoservices/CDSA/CDSA.html#//apple_ref/doc/uid/TP40011172-CH4-CHDEEDBE).

---

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