---
title: "persistableContentKey(fromKeyVendorResponse:options:)"
framework: avfoundation
role: symbol
role_heading: Instance Method
path: "avfoundation/avpersistablecontentkeyrequest/persistablecontentkey(fromkeyvendorresponse:options:)"
---

# persistableContentKey(fromKeyVendorResponse:options:)

Creates a persistable content key from the content key context data.

## Declaration

```swift
func persistableContentKey(fromKeyVendorResponse keyVendorResponse: Data, options: [String : Any]? = nil) throws -> Data
```

## Parameters

- `keyVendorResponse`: The response returned from the key vendor.
- `options`: Additional information required to obtain the persistable content key. The value of this parameter is nil when no additional information is required.

## Return Value

Return Value Returns a data object that contains the persistable content key.