diff --git a/PSWriteLog/Private/Write-InvocationHeader.ps1 b/PSWriteLog/Private/Get-InvocationHeader.ps1
similarity index 97%
rename from PSWriteLog/Private/Write-InvocationHeader.ps1
rename to PSWriteLog/Private/Get-InvocationHeader.ps1
index edcae05..d2df3aa 100644
--- a/PSWriteLog/Private/Write-InvocationHeader.ps1
+++ b/PSWriteLog/Private/Get-InvocationHeader.ps1
@@ -21,7 +21,7 @@
         SerializationVersion: 1.1.0.1
         **********************
 #>
-function Write-InvocationHeader {
+function Get-InvocationHeader {
     [CmdletBinding()]
     param()
 
@@ -56,7 +56,7 @@ function Write-InvocationHeader {
     }
 
     $tmp.FullName | Remove-Item -ErrorAction 'SilentlyContinue' -Force
-
-    Write-Log -Message $header
     $env:PSWriteLogIncludeInvocationHeader = $null
+
+    return $header
 }
diff --git a/PSWriteLog/Private/Write-Log.ps1 b/PSWriteLog/Private/Write-Log.ps1
index cc01f56..671bfa5 100644
--- a/PSWriteLog/Private/Write-Log.ps1
+++ b/PSWriteLog/Private/Write-Log.ps1
@@ -93,9 +93,12 @@ function global:Write-Log {
     )
 
     begin {
-        # Microsoft.PowerShell.Utility\Write-Information "[Write-Log] BoundParameters: $($MyInvocation.BoundParameters | Out-String)" -Tags 'VertigoRay\PSWriteLog','Write-Log'
-        if ($IncludeInvocationHeader) {
-            Write-InvocationHeader
+        Microsoft.PowerShell.Utility\Write-Debug ('[Write-Log] BoundParameters: {0}' -f $($MyInvocation.BoundParameters | Out-String))
+
+        if ($env:PSWriteLogDisableLogging) {
+            # If logging is not currently disabled, get out now!
+            Microsoft.PowerShell.Utility\Write-Debug ('[Write-Log] env:PSWriteLogDisableLogging: {0}' -f $env:PSWriteLogDisableLogging)
+            return $null
         }
 
         # Get the name of this function
@@ -119,11 +122,11 @@ function global:Write-Log {
 
             [System.Collections.ArrayList] $legacyMessage = @()
 
-            $legacyMessage.Add("[$(& $logDate) $(& $logTime)]") | Out-Null
+            $legacyMessage.Add(('[{0}]' -f (Get-Date -Format 'O'))) | Out-Null
             if ($Source) {
                 $legacyMessage.Add("[${Source}]") | Out-Null
             }
-            $legacyMessage.Add("[${Component}]") | Out-Null
+            # $legacyMessage.Add("[${Component}]") | Out-Null
             $legacyMessage.Add("[${Severity}]") | Out-Null
             $legacyMessage.Add(($lMessage.Trim() | Out-String)) | Out-Null
 
@@ -136,7 +139,7 @@ function global:Write-Log {
                 [string]
                 $lMessage
             )
-            # Microsoft.PowerShell.Utility\Write-Information "[Write-Log] Source (sb): ${Source}" -Tags 'VertigoRay\PSWriteLog','Write-Log'
+            Microsoft.PowerShell.Utility\Write-Debug "[Write-Log] Source (sb): ${Source}"
             $severityMap = @{ # Vaguely based on POSH stream numbers
                 Debug       = 5
                 Error       = 3
@@ -162,17 +165,19 @@ function global:Write-Log {
             ))
         }
 
-        [scriptblock] $getLogLine = {
+        [scriptblock] $logLine = {
             param(
                 [string]
                 $sMsg
             )
             ## Choose which log type to write to file
-            if ($LogType -ieq 'CMTrace') {
-                return & $cmTraceLogString -lMessage ($sMsg | Out-String).Trim() -lSource $Source
+            $line = if ($LogType -ieq 'CMTrace') {
+                & $cmTraceLogString -lMessage ($sMsg | Out-String).Trim() -lSource $Source
             } else {
-                return & $legacyLogString -lMessage ($sMsg | Out-String).Trim() -lSource $Source
+                & $legacyLogString -lMessage ($sMsg | Out-String).Trim() -lSource $Source
             }
+
+            $line | Out-File -FilePath $FilePath.FullName -Append -NoClobber -Force -Encoding 'UTF8' -ErrorAction 'Stop'
         }
 
         #  Create the directory where the log file will be saved
@@ -182,28 +187,26 @@ function global:Write-Log {
     }
 
     process {
-        # Exit function if it is a debug message and 'LogDebugMessage' option is not $true, or if the log directory was not successfully created in 'Begin' block.
-        if (($DebugMessage -and -not $LogDebugMessage)) { Return }
+        if ($IncludeInvocationHeader) {
+            & $logLine -sMsg ("{1}`n{0}`n{1}" -f (Get-InvocationHeader),('#' * 40))
+        }
 
         foreach ($msg in $Message) {
-            # Microsoft.PowerShell.Utility\Write-Information "[Write-Log] Source: $Source" -Tags 'VertigoRay\PSWriteLog','Write-Log'
-            # Write the log entry to the log file if logging is not currently disabled
-            if (-not $DisableLogging) {
-                try {
-                    & $getLogLine -sMsg $msg | Out-File -FilePath $FilePath.FullName -Append -NoClobber -Force -Encoding 'UTF8' -ErrorAction 'Stop'
-                } catch {
-                    if (-not $ContinueOnError) {
-                        throw ('[{0} {1}] [{2}] [{3}] :: Failed to write message [{4}] to the log file [{5}].{6}{7}' -f @(
-                            & $logDate
-                            & $logTime
-                            $CmdletName
-                            $Component
-                            $Msg
-                            $FilePath.FullName
-                            "`n"
-                            Resolve-Error | Out-String
-                        ))
-                    }
+            Microsoft.PowerShell.Utility\Write-Debug ('[Write-Log] Source: {0}' -f $Source)
+            try {
+                & $logLine -sMsg $msg
+            } catch {
+                if (-not $ContinueOnError) {
+                    throw ('[{0} {1}] [{2}] [{3}] :: Failed to write message [{4}] to the log file [{5}].{6}{7}' -f @(
+                        & $logDate
+                        & $logTime
+                        $CmdletName
+                        $Component
+                        $Msg
+                        $FilePath.FullName
+                        "`n"
+                        Resolve-Error | Out-String
+                    ))
                 }
             }
         }
@@ -214,29 +217,29 @@ function global:Write-Log {
         if ($MaxLogFileSizeMB) {
             try {
                 [decimal] $LogFileSizeMB = $FilePath.Length/1MB
-                # Microsoft.PowerShell.Utility\Write-Information "[Write-Log] LogFileSizeMB: $LogFileSizeMB / $MaxLogFileSizeMB" -Tags 'VertigoRay\PSWriteLog','Write-Log'
+                Microsoft.PowerShell.Utility\Write-Debug "[Write-Log] LogFileSizeMB: $LogFileSizeMB / $MaxLogFileSizeMB"
                 if ($LogFileSizeMB -gt $MaxLogFileSizeMB) {
-                    # Microsoft.PowerShell.Utility\Write-Information "[Write-Log] Log File Needs to be archived ..." -Tags 'VertigoRay\PSWriteLog','Write-Log'
+                    Microsoft.PowerShell.Utility\Write-Debug "[Write-Log] Log File Needs to be archived ..."
                     # Change the file extension to "lo_"
                     [string] $archivedOutLogFile = [IO.Path]::ChangeExtension($FilePath.FullName, 'lo_')
 
                     # Log message about archiving the log file
                     if ((Get-PSCallStack)[1].Command -ne 'Write-Log') {
                         # Prevent Write-Log from looping more than once.
-                        & $getLogLine -sMsg "Maximum log file size [${MaxLogFileSizeMB} MB] reached. Rename log file to: ${archivedOutLogFile}" | Out-File -FilePath $FilePath.FullName -Append -NoClobber -Force -Encoding 'UTF8' -ErrorAction 'Stop'
+                        & $logLine -sMsg "Maximum log file size [${MaxLogFileSizeMB} MB] reached. Rename log file to: ${archivedOutLogFile}"
                     }
 
                     # Archive existing log file from <filename>.log to <filename>.lo_. Overwrites any existing <filename>.lo_ file. This is the same method SCCM uses for log files.
                     Move-Item -Path $FilePath.FullName -Destination $archivedOutLogFile -Force -ErrorAction 'Stop'
 
                     # Start new log file and Log message about archiving the old log file
-                    & $getLogLine -sMsg "Maximum log file size [${MaxLogFileSizeMB} MB] reached. Previous log file was renamed to: ${archivedOutLogFile}" | Out-File -FilePath $FilePath.FullName -Append -NoClobber -Force -Encoding 'UTF8' -ErrorAction 'Stop'
+                    & $logLine -sMsg "Maximum log file size [${MaxLogFileSizeMB} MB] reached. Previous log file was renamed to: ${archivedOutLogFile}"
                 } else {
-                    # Microsoft.PowerShell.Utility\Write-Information "[Write-Log] Log File does not need to be archived." -Tags 'VertigoRay\PSWriteLog','Write-Log'
+                    Microsoft.PowerShell.Utility\Write-Debug "[Write-Log] Log File does not need to be archived."
                 }
             } catch {
                 # If renaming of file fails, script will continue writing to log file even if size goes over the max file size
-                # Microsoft.PowerShell.Utility\Write-Information "[Write-Log] Archive Error: ${_}" -Tags 'VertigoRay\PSWriteLog','Write-Log'
+                Microsoft.PowerShell.Utility\Write-Debug "[Write-Log] Archive Error: ${_}"
             }
         }
     }
diff --git a/PSWriteLog/Public/Write-Debug.ps1 b/PSWriteLog/Public/Write-Debug.ps1
index c3edead..bf61637 100644
--- a/PSWriteLog/Public/Write-Debug.ps1
+++ b/PSWriteLog/Public/Write-Debug.ps1
@@ -5,13 +5,7 @@ function global:Write-Debug {
         [Alias('Msg')]
         [AllowEmptyString()]
         [string]
-        ${Message},
-
-        [switch]
-        $NoLog,
-
-        [switch]
-        $Silent
+        ${Message}
     )
 
     begin
@@ -28,14 +22,13 @@ function global:Write-Debug {
             'Source' = "${invoFile}:$($MyInvocation.ScriptLineNumber)";
         }
 
-        if (-not $Silent) {
+        if (-not ($env:PSWriteLogDebugSilent -as [bool])) {
             try {
                 $outBuffer = $null
                 if ($PSBoundParameters.TryGetValue('OutBuffer', [ref]$outBuffer))
                 {
                     $PSBoundParameters['OutBuffer'] = 1
                 }
-                $PSBoundParameters.Remove('NoLog') | Out-Null
                 $wrappedCmd = $ExecutionContext.InvokeCommand.GetCommand('Microsoft.PowerShell.Utility\Write-Debug', [System.Management.Automation.CommandTypes]::Cmdlet)
                 $scriptCmd = { & $wrappedCmd @PSBoundParameters }
                 $steppablePipeline = $scriptCmd.GetSteppablePipeline($myInvocation.CommandOrigin)
@@ -48,13 +41,13 @@ function global:Write-Debug {
 
     process
     {
-        if (-not $NoLog.isPresent) {
+        if (-not ($env:PSWriteLogDebugNoLog -as [bool])) {
             if ((Get-Command 'Write-Log' -ErrorAction 'Ignore') -and ($DebugPreference -ine 'SilentlyContinue')) {
                 Write-Log @writeLog -Message $Message
             }
         }
 
-        if (-not $Silent) {
+        if (-not ($env:PSWriteLogDebugSilent -as [bool])) {
             try {
                 $steppablePipeline.Process($_)
             } catch {
@@ -65,7 +58,7 @@ function global:Write-Debug {
 
     end
     {
-        if (-not $Silent) {
+        if (-not ($env:PSWriteLogDebugSilent -as [bool])) {
             try {
                 $steppablePipeline.End()
             } catch {
diff --git a/PSWriteLog/Public/Write-Error.ps1 b/PSWriteLog/Public/Write-Error.ps1
index 0dd7807..1d885e9 100644
--- a/PSWriteLog/Public/Write-Error.ps1
+++ b/PSWriteLog/Public/Write-Error.ps1
@@ -49,10 +49,7 @@ function global:Write-Error {
 
         [Alias('TargetType')]
         [string]
-        ${CategoryTargetType},
-
-        [switch]
-        $Silent
+        ${CategoryTargetType}
     )
 
     begin
@@ -69,7 +66,7 @@ function global:Write-Error {
             'Source' = "${invoFile}:$($MyInvocation.ScriptLineNumber)";
         }
 
-        if (-not $Silent) {
+        if (-not ($env:PSWriteLogErrorSilent -as [bool])) {
             try {
                 $outBuffer = $null
                 if ($PSBoundParameters.TryGetValue('OutBuffer', [ref]$outBuffer))
@@ -117,7 +114,7 @@ function global:Write-Error {
             Write-Log @writeLog -Message ($msg -join ' ') -ErrorAction 'Stop'
         }
 
-        if (-not $Silent) {
+        if (-not ($env:PSWriteLogErrorSilent -as [bool])) {
             try {
                 $steppablePipeline.Process($_)
             } catch {
@@ -128,7 +125,7 @@ function global:Write-Error {
 
     end
     {
-        if (-not $Silent) {
+        if (-not ($env:PSWriteLogErrorSilent -as [bool])) {
             try {
                 $steppablePipeline.End()
             } catch {
diff --git a/PSWriteLog/Public/Write-Host.ps1 b/PSWriteLog/Public/Write-Host.ps1
index abb397a..252226e 100644
--- a/PSWriteLog/Public/Write-Host.ps1
+++ b/PSWriteLog/Public/Write-Host.ps1
@@ -15,10 +15,7 @@ function global:Write-Host {
         ${ForegroundColor},
 
         [System.ConsoleColor]
-        ${BackgroundColor},
-
-        [switch]
-        $Silent
+        ${BackgroundColor}
     )
 
     begin
@@ -34,7 +31,7 @@ function global:Write-Host {
             'Source' = "${invoFile}:$($MyInvocation.ScriptLineNumber)";
         }
 
-        if (-not $Silent) {
+        if (-not ($env:PSWriteLogHostSilent -as [bool])) {
             try {
                 $outBuffer = $null
                 if ($PSBoundParameters.TryGetValue('OutBuffer', [ref]$outBuffer))
@@ -57,7 +54,7 @@ function global:Write-Host {
             Write-Log @writeLog -Message $Object
         }
 
-        if (-not $Silent) {
+        if (-not ($env:PSWriteLogHostSilent -as [bool])) {
             try {
                 $steppablePipeline.Process($_)
             } catch {
@@ -68,7 +65,7 @@ function global:Write-Host {
 
     end
     {
-        if (-not $Silent) {
+        if (-not ($env:PSWriteLogHostSilent -as [bool])) {
             try {
                 $steppablePipeline.End()
             } catch {
diff --git a/PSWriteLog/Public/Write-Information.ps1 b/PSWriteLog/Public/Write-Information.ps1
index a9975a9..eb8577d 100644
--- a/PSWriteLog/Public/Write-Information.ps1
+++ b/PSWriteLog/Public/Write-Information.ps1
@@ -8,10 +8,7 @@ function global:Write-Information {
 
         [Parameter(Position=1)]
         [string[]]
-        ${Tags},
-
-        [switch]
-        $Silent
+        ${Tags}
     )
 
     begin
@@ -27,7 +24,7 @@ function global:Write-Information {
             'Source' = "${invoFile}:$($MyInvocation.ScriptLineNumber)";
         }
 
-        if (-not $Silent) {
+        if (-not ($env:PSWriteLogInformationSilent -as [bool])) {
             try {
                 $outBuffer = $null
                 if ($PSBoundParameters.TryGetValue('OutBuffer', [ref]$outBuffer))
@@ -48,13 +45,13 @@ function global:Write-Information {
     {
         if ((Get-Command 'Write-Log' -ErrorAction 'Ignore') -and ($InformationPreference -ine 'SilentlyContinue')) {
             if ($Tags.isPresent) {
-                Write-Log @writeLog -Message "$MessageData {$($Tags -join ',')}"
+                Write-Log @writeLog -Message "{$($Tags -join ',')} $MessageData"
             } else {
                 Write-Log @writeLog -Message "$MessageData"
             }
         }
 
-        if (-not $Silent) {
+        if (-not ($env:PSWriteLogInformationSilent -as [bool])) {
             try {
                 $steppablePipeline.Process($_)
             } catch {
@@ -65,7 +62,7 @@ function global:Write-Information {
 
     end
     {
-        if (-not $Silent) {
+        if (-not ($env:PSWriteLogInformationSilent -as [bool])) {
             try {
                 $steppablePipeline.End()
             } catch {
diff --git a/PSWriteLog/Public/Write-Output.ps1 b/PSWriteLog/Public/Write-Output.ps1
index d77afbb..03abc15 100644
--- a/PSWriteLog/Public/Write-Output.ps1
+++ b/PSWriteLog/Public/Write-Output.ps1
@@ -8,10 +8,7 @@ function global:Write-Output {
         ${InputObject},
 
         [switch]
-        ${NoEnumerate},
-
-        [switch]
-        $Log
+        ${NoEnumerate}
     )
 
     begin
@@ -45,7 +42,7 @@ function global:Write-Output {
 
     process
     {
-        if ((Get-Command 'Write-Log' -ErrorAction 'Ignore') -and $Log.IsPresent) {
+        if ((Get-Command 'Write-Log' -ErrorAction 'Ignore') -and ($env:PSWriteLogOutputLog -as [bool])) {
             Write-Log @writeLog -Message ($InputObject | Out-String)
         }
 
diff --git a/PSWriteLog/Public/Write-Progress.ps1 b/PSWriteLog/Public/Write-Progress.ps1
index 92940ac..5787a75 100644
--- a/PSWriteLog/Public/Write-Progress.ps1
+++ b/PSWriteLog/Public/Write-Progress.ps1
@@ -33,11 +33,7 @@ function global:Write-Progress {
         ${Completed},
 
         [int]
-        ${SourceId},
-
-        [ValidateScript({[enum]::GetValues([System.ConsoleColor]) -icontains $_})]
-        [string]
-        ${WriteHostColor}
+        ${SourceId}
     )
 
     begin
@@ -54,56 +50,58 @@ function global:Write-Progress {
             'Source' = "${invoFile}:$($MyInvocation.ScriptLineNumber)";
         }
 
-        try {
-            $outBuffer = $null
-            if ($PSBoundParameters.TryGetValue('OutBuffer', [ref]$outBuffer))
-            {
-                $PSBoundParameters['OutBuffer'] = 1
+        if (-not ($env:PSWriteLogProgessSilent -as [bool])) {
+            try {
+                $outBuffer = $null
+                if ($PSBoundParameters.TryGetValue('OutBuffer', [ref]$outBuffer))
+                {
+                    $PSBoundParameters['OutBuffer'] = 1
+                }
+                $PSBoundParameters.Remove('WriteHostColor')
+                $wrappedCmd = $ExecutionContext.InvokeCommand.GetCommand('Microsoft.PowerShell.Utility\Write-Progress', [System.Management.Automation.CommandTypes]::Cmdlet)
+                $scriptCmd = {& $wrappedCmd @PSBoundParameters }
+                $steppablePipeline = $scriptCmd.GetSteppablePipeline($myInvocation.CommandOrigin)
+                $steppablePipeline.Begin($PSCmdlet)
+            } catch {
+                throw
             }
-            $PSBoundParameters.Remove('WriteHostColor')
-            $wrappedCmd = $ExecutionContext.InvokeCommand.GetCommand('Microsoft.PowerShell.Utility\Write-Progress', [System.Management.Automation.CommandTypes]::Cmdlet)
-            $scriptCmd = {& $wrappedCmd @PSBoundParameters }
-            $steppablePipeline = $scriptCmd.GetSteppablePipeline($myInvocation.CommandOrigin)
-            $steppablePipeline.Begin($PSCmdlet)
-        } catch {
-            throw
         }
     }
 
     process
     {
-        [System.Collections.ArrayList] $Message = @()
-        if ($PSBoundParameters.ContainsKey('ParentId')) { $Message.Add("[${ParentId}]") | Out-Null }
-        if ($PSBoundParameters.ContainsKey('Id')) { $Message.Add("[${Id}]") | Out-Null }
-        $Message.Add($Activity) | Out-Null
-        if ($PSBoundParameters.ContainsKey('PercentComplete')) { $Message.Add("${PercentComplete}%") | Out-Null }
-        if ($PSBoundParameters.ContainsKey('SecondsRemaining')) { $Message.Add("(${SecondsRemaining} Seconds Remaining)") | Out-Null }
-        $Message.Add(':') | Out-Null
-        $Message.Add($Status) | Out-Null
-        $Message.Add(':') | Out-Null
-        $Message.Add($CurrentOperation) | Out-Null
-
-        if (Get-Command 'Write-Log' -ErrorAction 'Ignore') {
-            Write-Log @writeLog -Message ($Message -join ' ')
-        }
+        if (Get-Command 'Write-Log' -ErrorAction 'Ignore' -and ($ProgressPreference -ine 'SilentlyContinue')) {
+            [System.Collections.ArrayList] $Message = @()
+            if ($PSBoundParameters.ContainsKey('ParentId')) { $Message.Add("[${ParentId}]") | Out-Null }
+            if ($PSBoundParameters.ContainsKey('Id')) { $Message.Add("[${Id}]") | Out-Null }
+            $Message.Add($Activity) | Out-Null
+            if ($PSBoundParameters.ContainsKey('PercentComplete')) { $Message.Add("${PercentComplete}%") | Out-Null }
+            if ($PSBoundParameters.ContainsKey('SecondsRemaining')) { $Message.Add("(${SecondsRemaining} Seconds Remaining)") | Out-Null }
+            $Message.Add(':') | Out-Null
+            $Message.Add($Status) | Out-Null
+            $Message.Add(':') | Out-Null
+            $Message.Add($CurrentOperation) | Out-Null
 
-        if ($WriteHostColor) {
-            Microsoft.PowerShell.Utility\Write-Host -ForegroundColor $WriteHostColor ($Message -join ' ')
+            Write-Log @writeLog -Message ($Message -join ' ')
         }
 
-        try {
-            $steppablePipeline.Process($_)
-        } catch {
-            throw
+        if (-not ($env:PSWriteLogProgessSilent -as [bool])) {
+            try {
+                $steppablePipeline.Process($_)
+            } catch {
+                throw
+            }
         }
     }
 
     end
     {
-        try {
-            $steppablePipeline.End()
-        } catch {
-            throw
+        if (-not ($env:PSWriteLogProgessSilent -as [bool])) {
+            try {
+                $steppablePipeline.End()
+            } catch {
+                throw
+            }
         }
     }
     <#
diff --git a/PSWriteLog/Public/Write-Verbose.ps1 b/PSWriteLog/Public/Write-Verbose.ps1
index 77486e9..73e1a89 100644
--- a/PSWriteLog/Public/Write-Verbose.ps1
+++ b/PSWriteLog/Public/Write-Verbose.ps1
@@ -5,10 +5,7 @@ function global:Write-Verbose {
         [Alias('Msg')]
         [AllowEmptyString()]
         [string]
-        ${Message},
-
-        [switch]
-        $Silent
+        ${Message}
     )
 
     begin
@@ -25,7 +22,7 @@ function global:Write-Verbose {
             'Source' = "${invoFile}:$($MyInvocation.ScriptLineNumber)";
         }
 
-        if (-not $Silent) {
+        if (-not ($env:PSWriteLogVerboseSilent -as [bool])) {
             try {
                 $outBuffer = $null
                 if ($PSBoundParameters.TryGetValue('OutBuffer', [ref]$outBuffer))
@@ -48,7 +45,7 @@ function global:Write-Verbose {
             Write-Log @writeLog -Message $Message
         }
 
-        if (-not $Silent) {
+        if (-not ($env:PSWriteLogVerboseSilent -as [bool])) {
             try {
                 $steppablePipeline.Process($_)
             } catch {
@@ -59,7 +56,7 @@ function global:Write-Verbose {
 
     end
     {
-        if (-not $Silent) {
+        if (-not ($env:PSWriteLogVerboseSilent -as [bool])) {
             try {
                 $steppablePipeline.End()
             } catch {
diff --git a/PSWriteLog/Public/Write-Warning.ps1 b/PSWriteLog/Public/Write-Warning.ps1
index 9f6b78b..bd82ff0 100644
--- a/PSWriteLog/Public/Write-Warning.ps1
+++ b/PSWriteLog/Public/Write-Warning.ps1
@@ -5,10 +5,7 @@ function global:Write-Warning {
         [Alias('Msg')]
         [AllowEmptyString()]
         [string]
-        ${Message},
-
-        [switch]
-        $Silent
+        ${Message}
     )
 
     begin
@@ -25,7 +22,7 @@ function global:Write-Warning {
             'Source' = "${invoFile}:$($MyInvocation.ScriptLineNumber)";
         }
 
-        if (-not $Silent) {
+        if (-not ($env:PSWriteLogWarningSilent -as [bool])) {
             try {
                 $outBuffer = $null
                 if ($PSBoundParameters.TryGetValue('OutBuffer', [ref]$outBuffer))
@@ -48,7 +45,7 @@ function global:Write-Warning {
             Write-Log @writeLog -Message $Message
         }
 
-        if (-not $Silent) {
+        if (-not ($env:PSWriteLogWarningSilent -as [bool])) {
             try {
                 $steppablePipeline.Process($_)
             } catch {
@@ -59,7 +56,7 @@ function global:Write-Warning {
 
     end
     {
-        if (-not $Silent) {
+        if (-not ($env:PSWriteLogWarningSilent -as [bool])) {
             try {
                 $steppablePipeline.End()
             } catch {
diff --git a/Tests/Write-Log.Tests.ps1 b/Tests/Write-Log.Tests.ps1
index 92f1232..b518619 100644
--- a/Tests/Write-Log.Tests.ps1
+++ b/Tests/Write-Log.Tests.ps1
@@ -55,10 +55,10 @@ Describe 'Write-Log with parameters' {
         }
     }
 
-    Context 'Write-Log $Message -Severity 1' {
+    Context 'Write-Log $Message -Severity ''Info''' {
         BeforeEach {
             Remove-Item $script:DefaultLog -Force -ErrorAction 'Ignore' | Out-Null
-            Write-Log $script:Message -Severity 1
+            Write-Log $script:Message -Severity 'Info'
         }
 
         It "Writes 'type=`"1`" ' to ${script:DefaultLog}" {
@@ -66,10 +66,10 @@ Describe 'Write-Log with parameters' {
         }
     }
 
-    Context 'Write-Log $Message -Severity 1 -LogType Legacy' {
+    Context 'Write-Log $Message -Severity ''Info'' -LogType Legacy' {
         BeforeEach {
             Remove-Item $script:DefaultLog -Force -ErrorAction 'Ignore' | Out-Null
-            Write-Log $script:Message -Severity 1 -LogType Legacy
+            Write-Log $script:Message -Severity 'Info' -LogType Legacy
         }
 
         It "Writes '[Info]' to ${script:DefaultLog}" {
@@ -77,10 +77,10 @@ Describe 'Write-Log with parameters' {
         }
     }
 
-    Context 'Write-Log $Message -Severity 2' {
+    Context 'Write-Log $Message -Severity ''Warning''' {
         BeforeEach {
             Remove-Item $script:DefaultLog -Force -ErrorAction 'Ignore' | Out-Null
-            Write-Log $script:Message -Severity 2
+            Write-Log $script:Message -Severity 'Warning'
         }
 
         It "Writes 'type=`"2`" ' to ${script:DefaultLog}" {
@@ -88,10 +88,10 @@ Describe 'Write-Log with parameters' {
         }
     }
 
-    Context 'Write-Log $Message -Severity 2 -LogType Legacy' {
+    Context 'Write-Log $Message -Severity ''Warning'' -LogType Legacy' {
         BeforeEach {
             Remove-Item $script:DefaultLog -Force -ErrorAction 'Ignore' | Out-Null
-            Write-Log $script:Message -Severity 2 -LogType Legacy
+            Write-Log $script:Message -Severity 'Warning' -LogType Legacy
         }
 
         It "Writes '[Warning]' to ${script:DefaultLog}" {
@@ -99,10 +99,10 @@ Describe 'Write-Log with parameters' {
         }
     }
 
-    Context 'Write-Log $Message -Severity 3' {
+    Context 'Write-Log $Message -Severity ''Error''' {
         BeforeEach {
             Remove-Item $script:DefaultLog -Force -ErrorAction 'Ignore' | Out-Null
-            Write-Log $script:Message -Severity 3
+            Write-Log $script:Message -Severity 'Error'
         }
 
         It "Writes 'type=`"3`" ' to ${script:DefaultLog}" {
@@ -110,10 +110,10 @@ Describe 'Write-Log with parameters' {
         }
     }
 
-    Context 'Write-Log $Message -Severity 3 -LogType Legacy' {
+    Context 'Write-Log $Message -Severity ''Error'' -LogType Legacy' {
         BeforeEach {
             Remove-Item $script:DefaultLog -Force -ErrorAction 'Ignore' | Out-Null
-            Write-Log $script:Message -Severity 3 -LogType Legacy
+            Write-Log $script:Message -Severity 'Error' -LogType Legacy
         }
 
         It "Writes '[Error]' to ${script:DefaultLog}" {
@@ -154,7 +154,7 @@ Describe 'Write-Log with parameters' {
         }
     }
 
-    Context 'Write-Log $Message -Component Pester -LogType Legacy' {
+    Context 'Write-Log $Message -Component Pester -LogType Legacy' -Skip {
         BeforeEach {
             Remove-Item $script:DefaultLog -Force -ErrorAction 'Ignore' | Out-Null
             Write-Log $script:Message -Component Pester -LogType Legacy
@@ -236,7 +236,7 @@ Describe 'Write-Log with parameters' {
     }
 }
 
-Describe 'Write-Log with $PSDefaultParameterValues' {
+Describe 'Write-Log with $env:PSWriteLog*' {
     BeforeAll {
         $script:DefaultLog = "${TestDrive}\Logs\Write-Log.log"
         $script:DefaultLog = [IO.Path]::Combine($env:Temp, ('PowerShell {0} {1} {2}.log' -f $PSVersionTable.PSEdition, $PSVersionTable.PSVersion, $MyInvocation.CommandOrigin))
@@ -266,11 +266,11 @@ Describe 'Write-Log with $PSDefaultParameterValues' {
         }
     }
 
-    Context 'Write-Log $Message -Severity 1' {
+    Context 'Write-Log $Message -Severity ''Info''' {
         BeforeEach {
             Remove-Item $script:DefaultLog -Force -ErrorAction 'Ignore' | Out-Null
             $PSDefaultParameterValues = @{}
-            $PSDefaultParameterValues.Set_Item('Write-Log:Severity', 1)
+            $PSDefaultParameterValues.Set_Item('Write-Log:Severity', 'Info')
             Write-Log $script:Message
         }
 
@@ -279,11 +279,11 @@ Describe 'Write-Log with $PSDefaultParameterValues' {
         }
     }
 
-    Context 'Write-Log $Message -Severity 1 -LogType Legacy' {
+    Context 'Write-Log $Message -Severity ''Info'' -LogType Legacy' {
         BeforeEach {
             Remove-Item $script:DefaultLog -Force -ErrorAction 'Ignore' | Out-Null
             $PSDefaultParameterValues = @{}
-            $PSDefaultParameterValues.Set_Item('Write-Log:Severity', 1)
+            $PSDefaultParameterValues.Set_Item('Write-Log:Severity', 'Info')
             $PSDefaultParameterValues.Set_Item('Write-Log:LogType', 'Legacy')
             Write-Log $script:Message
         }
@@ -293,11 +293,11 @@ Describe 'Write-Log with $PSDefaultParameterValues' {
         }
     }
 
-    Context 'Write-Log $Message -Severity 2' {
+    Context 'Write-Log $Message -Severity ''Warning''' {
         BeforeEach {
             Remove-Item $script:DefaultLog -Force -ErrorAction 'Ignore' | Out-Null
             $PSDefaultParameterValues = @{}
-            $PSDefaultParameterValues.Set_Item('Write-Log:Severity', 2)
+            $PSDefaultParameterValues.Set_Item('Write-Log:Severity', 'Warning')
             Write-Log $script:Message
         }
 
@@ -306,11 +306,11 @@ Describe 'Write-Log with $PSDefaultParameterValues' {
         }
     }
 
-    Context 'Write-Log $Message -Severity 2 -LogType Legacy' {
+    Context 'Write-Log $Message -Severity ''Warning'' -LogType Legacy' {
         BeforeEach {
             Remove-Item $script:DefaultLog -Force -ErrorAction 'Ignore' | Out-Null
             $PSDefaultParameterValues = @{}
-            $PSDefaultParameterValues.Set_Item('Write-Log:Severity', 2)
+            $PSDefaultParameterValues.Set_Item('Write-Log:Severity', 'Warning')
             $PSDefaultParameterValues.Set_Item('Write-Log:LogType', 'Legacy')
             Write-Log $script:Message
         }
@@ -320,11 +320,11 @@ Describe 'Write-Log with $PSDefaultParameterValues' {
         }
     }
 
-    Context 'Write-Log $Message -Severity 3' {
+    Context 'Write-Log $Message -Severity ''Error''' {
         BeforeEach {
             Remove-Item $script:DefaultLog -Force -ErrorAction 'Ignore' | Out-Null
             $PSDefaultParameterValues = @{}
-            $PSDefaultParameterValues.Set_Item('Write-Log:Severity', 3)
+            $PSDefaultParameterValues.Set_Item('Write-Log:Severity', 'Error')
             Write-Log $script:Message
         }
 
@@ -333,11 +333,11 @@ Describe 'Write-Log with $PSDefaultParameterValues' {
         }
     }
 
-    Context 'Write-Log $Message -Severity 3 -LogType Legacy' {
+    Context 'Write-Log $Message -Severity ''Error'' -LogType Legacy' {
         BeforeEach {
             Remove-Item $script:DefaultLog -Force -ErrorAction 'Ignore' | Out-Null
             $PSDefaultParameterValues = @{}
-            $PSDefaultParameterValues.Set_Item('Write-Log:Severity', 3)
+            $PSDefaultParameterValues.Set_Item('Write-Log:Severity', 'Error')
             $PSDefaultParameterValues.Set_Item('Write-Log:LogType', 'Legacy')
             Write-Log $script:Message
         }
@@ -387,7 +387,7 @@ Describe 'Write-Log with $PSDefaultParameterValues' {
         }
     }
 
-    Context 'Write-Log $Message -Component Pester -LogType Legacy' {
+    Context 'Write-Log $Message -Component Pester -LogType Legacy' -Skip {
         BeforeEach {
             Remove-Item $script:DefaultLog -Force -ErrorAction 'Ignore' | Out-Null
             $PSDefaultParameterValues = @{}