SCCM compliant PowerShell log funcion

function Write-Log {
    param(
        [int]$ErrorLevel=1, # 1 - info, 2 - warning, 3 - error
        [Parameter(position=1,ValueFromPipeline=$true)][string]$Msg,
        [Parameter(position=2)][string]$Component, # source of the entry
        [Parameter(position=3)][string]$LogFile = "c:\temp\LPUlog.log",
        [switch]$break,
        [switch]$tee

    )

    if( !$Component ){ $Component = $PSCommandPath -replace '^.*\\|\.[^\.]*$' } # script name
    if( !$LogFile ){ $LogFile = $PSCommandPath -replace '\.ps1$','.log' } # <ScriptRoot>\<ScriptName>.log
    if($break){$Msg='#############################################################'}
    if($tee){Write-Output $msg}
    $TZBias = (Get-WmiObject Win32_TimeZone).bias
    $Time = "$(Get-Date -Format 'HH:mm:ss.fff')$TZBias"
    $Date = Get-Date -Format 'MM-dd-yyyy'
    $Context = [System.Security.Principal.WindowsIdentity]::GetCurrent().Name

    $LogEntry = "<![LOG[$Msg]LOG]!><time=`"$Time`" date=`"$Date`" component=`"$Component`" context=`"$Context`" type=`"$ErrorLevel`" thread=`"$pid`" file=`"`">"

    Add-Content -Path $LogFile -Value $LogEntry

}