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# SSLSetSessionOption(_:_:_:)

Specifies options for a specific session.

```
func SSLSetSessionOption(_ context: SSLContext, _ option: SSLSessionOption, _ value: Bool) -> OSStatus
```

## Parameters

`context`

An SSL session context reference.

`option`

An SSL session option. Possible values are listed in [`SSLSessionOption`](/documentation/Security/SSLSessionOption).

`value`

Set to <doc://com.apple.documentation/documentation/Swift/true> to enable the option, or <doc://com.apple.documentation/documentation/Swift/false> to disable it.

## Return Value

A result code. See [Secure Transport Result Codes](/documentation/Security/secure-transport-result-codes).

## Discussion

This function must be called prior to the [`SSLHandshake(_:)`](/documentation/Security/SSLHandshake(_:)) function; consequently, this function can be called only when no session is active.

---

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