Partition answerfile

Hi, how do I add FAT32 partition with size 2048 mb and letter M

ImageUnattend:

<?xml version="1.0" encoding="utf-8"?>
<unattend xmlns="urn:schemas-microsoft-com:unattend">
    <settings pass="windowsPE">
        <component name="Microsoft-Windows-International-Core-WinPE" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS" xmlns:wcm="http://schemas.microsoft.com/WMIConfig/2002/State" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
            <SetupUILanguage>
                <UILanguage>nl-NL</UILanguage>
            </SetupUILanguage>
            <InputLocale>en-US</InputLocale>
            <SystemLocale>nl-NL</SystemLocale>
            <UserLocale>nl-NL</UserLocale>
        </component>
        <component name="Microsoft-Windows-Setup" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS" xmlns:wcm="http://schemas.microsoft.com/WMIConfig/2002/State" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
            <DiskConfiguration>
                <Disk wcm:action="add">
                    <CreatePartitions>
                        <CreatePartition wcm:action="add">
                            <Extend>true</Extend>
                            <Order>1</Order>
                            <Type>Primary</Type>
                        </CreatePartition>
                    </CreatePartitions>
                    <ModifyPartitions>
                        <ModifyPartition wcm:action="add">
                            <Active>true</Active>
                            <Extend>false</Extend>
                            <Format>NTFS</Format>
                            <Label>SYSTEM</Label>
                            <Letter>C</Letter>
                            <Order>1</Order>
                            <PartitionID>1</PartitionID>
                        </ModifyPartition>
                    </ModifyPartitions>
                    <WillWipeDisk>true</WillWipeDisk>
                    <DiskID>0</DiskID>
                </Disk>
            </DiskConfiguration>
            <WindowsDeploymentServices>
                <ImageSelection>
                    <InstallTo>
                        <DiskID>0</DiskID>
                        <PartitionID>1</PartitionID>
                    </InstallTo>
                    <InstallImage>
                        <ImageName>xxxx</ImageName>
                        <ImageGroup>xxx</ImageGroup>
                        <Filename>xxxx</Filename>
                    </InstallImage>
                </ImageSelection>
                <Login>
                    <Credentials>
                        <Domain>xxxx</Domain>
                        <Password>xxxx</Password>
                        <Username>Administrator</Username>
                    </Credentials>
                </Login>
            </WindowsDeploymentServices>
        </component>
    </settings>
    <cpi:offlineImage cpi:source="wim:x:/xxxx/xxx#Windows 7 PROFESSIONAL" xmlns:cpi="urn:schemas-microsoft-com:cpi" />
</unattend>