diff --git a/README.md b/README.md
index 86a8ae4..b882b2d 100644
--- a/README.md
+++ b/README.md
@@ -73,6 +73,10 @@ Launch many projects at the same time:
 ```powershell
 Get-UnityProjectInstance -Recurse | Start-UnityEditor
 ```
+Invoke methods with arbitrary arguments:
+```powershell
+Start-UnityEditor -ExecuteMethod Build.Invoke -BatchMode -Quit -LogFile .\build.log -Wait -AdditionalArguments "-BuildArg1 -BuildArg2"
+```
 Find the installers for a particular version:
 ```powershell
 Find-UnitySetupInstaller -Version '2017.3.0f3' | Format-Table
diff --git a/UnitySetup/UnitySetup.psd1 b/UnitySetup/UnitySetup.psd1
index 2bc02e1..27b77e0 100644
--- a/UnitySetup/UnitySetup.psd1
+++ b/UnitySetup/UnitySetup.psd1
@@ -14,7 +14,7 @@
     RootModule        = 'UnitySetup'
 
     # Version number of this module.
-    ModuleVersion     = '5.0'
+    ModuleVersion     = '5.1'
 
     # Supported PSEditions
     # CompatiblePSEditions = @()
diff --git a/UnitySetup/UnitySetup.psm1 b/UnitySetup/UnitySetup.psm1
index 30db7fe..0307f2b 100644
--- a/UnitySetup/UnitySetup.psm1
+++ b/UnitySetup/UnitySetup.psm1
@@ -754,6 +754,8 @@ function Get-UnityProjectInstance {
    Force operation as though $PWD is not a unity project.
 .PARAMETER ExecuteMethod
    The script method for the Unity Editor to execute.
+.PARAMETER AdditionalArguments
+   Additional arguments for Unity or your custom method
 .PARAMETER OutputPath
    The output path that the Unity Editor should use.
 .PARAMETER LogFile
@@ -795,7 +797,7 @@ function Get-UnityProjectInstance {
 .EXAMPLE
    Start-UnityEditor -Version 2017.3.0f3
 .EXAMPLE
-   Start-UnityEditor -ExecuteMethod Build.Invoke -BatchMode -Quit -LogFile .\build.log -Wait
+   Start-UnityEditor -ExecuteMethod Build.Invoke -BatchMode -Quit -LogFile .\build.log -Wait -AdditionalArguments "-BuildArg1 -BuildArg2"
 .EXAMPLE
    Get-UnityProjectInstance -Recurse | Start-UnityEditor -BatchMode -Quit
 .EXAMPLE
@@ -825,6 +827,8 @@ function Start-UnityEditor {
         [parameter(Mandatory = $false)]
         [string]$ExecuteMethod,
         [parameter(Mandatory = $false)]
+        [string]$AdditionalArguments,
+        [parameter(Mandatory = $false)]
         [string[]]$ExportPackage,
         [parameter(Mandatory = $false)]
         [string]$ImportPackage,
@@ -962,6 +966,7 @@ function Start-UnityEditor {
         if ( $TestResults ) { $sharedArgs += '-testResults', $TestResults }
         if ( $RunTests ) { $sharedArgs += '-runTests' }
         if ( $ForceFree) { $sharedArgs += '-force-free' }
+        if ( $AdditionalArguments) { $sharedArgs += $AdditionalArguments }
 
         $instanceArgs = @()
         foreach ( $p in $projectInstances ) {