--- title: UEFI DDF file description: UEFI DDF file ms.author: maricia ms.topic: article ms.prod: w10 ms.technology: windows author: nickbrower ms.date: 02/01/2018 --- # UEFI DDF file > [!WARNING] > Some information relates to prereleased product which may be substantially modified before it's commercially released. Microsoft makes no warranties, express or implied, with respect to the information provided here. This topic shows the OMA DM device description framework (DDF) for the **Uefi** configuration service provider. Looking for the DDF XML files? See [CSP DDF files download](configuration-service-provider-reference.md#csp-ddf-files-download). The XML below is the current version for this CSP. ``` syntax ]> 1.2 Uefi ./Vendor/MSFT com.microsoft/1.0/MDM/Uefi UefiDeviceIdentifier Retrieves XML from UEFI which describes the device identifier. text/plain IdentityInfo Provisioned signers Current Retrieves XML from UEFI which describes the current UEFI identity information text/plain Apply Apply an identity information package to UEFI. Input is the signed package in base64 encoded format. ApplyResult Retrieves XML describing the results of previous ApplyIdentityInfo operation. text/plain AuthInfo Permission Information Current Retrieves XML from UEFI which describes the current UEFI permission/authentication information. text/plain Apply Apply a permission/authentication information package to UEFI. Input is the signed package in base64 encoded format. ApplyResult Retrieves XML describing the results of previous ApplyAuthInfo operation. text/plain Config Device Configuration Current Retrieves XML from UEFI which describes the current UEFI configuration. text/plain Apply Apply a configuration package to UEFI. Input is the signed package in base64 encoded format. ApplyResult Retrieves XML describing the results of previous ApplyConfig operation. text/plain ```