OSStartLayout

ContentPack Structure

Directories within OSPoshMods are created by default and follows this logical assignment

OSStartLayout\ALL
Universal
OSStartLayout\$Architecture
Start Layout for a specific Architecture

Add Content

Simply add your Start Layout XML ... easy enough

Build

New-OSBuild -SkipTask -Execute -SkipComponentCleanup -SkipUpdates -CreateISO

Sample

If you don't have a Start Layout and are looking for a clean example, use the following in your XML

<?xml version="1.0" encoding="utf-8"?>
<LayoutModificationTemplate
xmlns="http://schemas.microsoft.com/Start/2014/LayoutModification"
xmlns:defaultlayout="http://schemas.microsoft.com/Start/2014/FullDefaultLayout"
xmlns:start="http://schemas.microsoft.com/Start/2014/StartLayout"
xmlns:taskbar="http://schemas.microsoft.com/Start/2014/TaskbarLayout"
Version="1">
<LayoutOptions StartTileGroupCellWidth="6" />
<DefaultLayoutOverride LayoutCustomizationRestrictionType="OnlySpecifiedGroups">
<StartLayoutCollection>
<defaultlayout:StartLayout GroupCellWidth="6" xmlns:defaultlayout="http://schemas.microsoft.com/Start/2014/FullDefaultLayout">
<start:Group Name="Main" xmlns:start="http://schemas.microsoft.com/Start/2014/StartLayout">
<start:DesktopApplicationTile Size="2x2" Column="0" Row="0" DesktopApplicationLinkPath="%APPDATA%\Microsoft\Windows\Start Menu\Programs\System Tools\Computer.lnk" />
<start:DesktopApplicationTile Size="2x2" Column="2" Row="0" DesktopApplicationLinkPath="%APPDATA%\Microsoft\Windows\Start Menu\Programs\System Tools\Control Panel.lnk" />
<start:DesktopApplicationTile Size="1x1" Column="0" Row="2" DesktopApplicationLinkPath="%APPDATA%\Microsoft\Windows\Start Menu\Programs\System Tools\Run.lnk" />
<start:DesktopApplicationTile Size="1x1" Column="1" Row="2" DesktopApplicationLinkPath="%APPDATA%\Microsoft\Windows\Start Menu\Programs\System Tools\Command Prompt.lnk" />
<start:DesktopApplicationTile Size="1x1" Column="2" Row="2" DesktopApplicationLinkPath="%APPDATA%\Microsoft\Windows\Start Menu\Programs\Windows PowerShell\Windows PowerShell.lnk" />
</start:Group>
</defaultlayout:StartLayout>
</StartLayoutCollection>
</DefaultLayoutOverride>
<CustomTaskbarLayoutCollection PinListPlacement="Replace">
<defaultlayout:TaskbarLayout>
<taskbar:TaskbarPinList>
<taskbar:DesktopApp DesktopApplicationLinkPath="%APPDATA%\Microsoft\Windows\Start Menu\Programs\System Tools\File Explorer.lnk" />
<taskbar:DesktopApp DesktopApplicationLinkPath="%APPDATA%\Microsoft\Windows\Start Menu\Programs\Accessories\Internet Explorer.lnk"/>
</taskbar:TaskbarPinList>
</defaultlayout:TaskbarLayout>
</CustomTaskbarLayoutCollection>
</LayoutModificationTemplate>

Results