diff --git a/docs/preview/features/powershell/azure-devops.md b/docs/preview/features/powershell/azure-devops.md
index 35fd0082..b495ff30 100644
--- a/docs/preview/features/powershell/azure-devops.md
+++ b/docs/preview/features/powershell/azure-devops.md
@@ -10,6 +10,7 @@ This module provides the following capabilities:
 - [Setting a variable in an Azure DevOps pipeline](#setting-a-variable-in-an-azure-devops-pipeline)
 - [Setting ARM outputs to Azure DevOps variable group](#setting-arm-outputs-to-azure-devops-variable-group)
 - [Setting ARM outputs to Azure DevOps pipeline variables](#setting-arm-outputs-to-azure-devops-pipeline-variables)
+- [Save Azure DevOps build](#save-azure-devops-build)
 
 ## Installation
 
@@ -105,3 +106,20 @@ PS> Set-AzDevOpsArmOutputsToPipelineVariables -ArmOutputsEnvironmentVariableName
 # The pipeline variable my-variable will be updated to value my-value, so it can be used in subsequent tasks of the current job. 
 # ##vso[task.setvariable variable=my-variable]my-value
 ```
+
+## Save Azure DevOps build
+
+Saves/retains a specific Azure DevOps pipeline run.
+
+| Parameter       | Mandatory | Description                                                                |
+| --------------- | --------- | ---------------------------------------------------------------------------|
+| `ProjectId`     | yes       | The Id of the Project where the build that must be retained can be found   |
+| `BuildId`       | yes       | The Id of the build that must be retained                                  |
+
+**Example**
+
+```powershell
+PS> Save-AzDevOpsBuild -ProjectId $(System.TeamProjectId) -BuildId $(Build.BuildId)
+# The variables $(System.TeamProjectId) and $(Build.BuildId) are predefined Azure DevOps variables
+# Information on them can be found here: https://docs.microsoft.com/en-us/azure/devops/pipelines/build/variables?view=azure-devops&tabs=yaml
+```
\ No newline at end of file
diff --git a/src/Arcus.Scripting.DevOps/Arcus.Scripting.DevOps.psd1 b/src/Arcus.Scripting.DevOps/Arcus.Scripting.DevOps.psd1
index b6af9a06..fff64231 100644
Binary files a/src/Arcus.Scripting.DevOps/Arcus.Scripting.DevOps.psd1 and b/src/Arcus.Scripting.DevOps/Arcus.Scripting.DevOps.psd1 differ
diff --git a/src/Arcus.Scripting.DevOps/Arcus.Scripting.DevOps.psm1 b/src/Arcus.Scripting.DevOps/Arcus.Scripting.DevOps.psm1
index f3b5d062..bf51fa00 100644
--- a/src/Arcus.Scripting.DevOps/Arcus.Scripting.DevOps.psm1
+++ b/src/Arcus.Scripting.DevOps/Arcus.Scripting.DevOps.psm1
@@ -72,4 +72,31 @@ function Set-AzDevOpsArmOutputsToPipelineVariables {
     . $PSScriptRoot\Scripts\Set-AzDevOpsArmOutputs.ps1 -ArmOutputsEnvironmentVariableName $ArmOutputsEnvironmentVariableName -UpdateVariablesForCurrentJob
 }
 
-Export-ModuleMember -Function Set-AzDevOpsArmOutputsToPipelineVariables
\ No newline at end of file
+Export-ModuleMember -Function Set-AzDevOpsArmOutputsToPipelineVariables
+
+<#
+ .Synopsis
+  Indicates that the specified DevOps pipeline-run must be retained indefinetely.
+
+ .Description
+  Indicates that the specified DevOps pipeline-run must be retained indefinetely.
+ 
+ .Parameter ProjectId
+  The Id of the Project in Azure DevOps to which the build that must be retained, belongs to. 
+  (You can use the predefined variable $(System.TeamProjectId) in an Azure DevOps pipeline).
+
+ .Parameter BuildId
+  The Id of the Build that must be retained.
+  (You can use the predefined variable $(Build.BuildId) in an Azure DevOps pipeline).
+ 
+#>
+function Save-AzDevOpsBuild {
+    param(        
+        [Parameter(Mandatory = $true)][string] $ProjectId = $(throw "ProjectId is required"),
+        [Parameter(Mandatory = $true)][string] $BuildId = $(throw "BuildId is required")
+    )
+
+    . $PSScriptRoot\Scripts\Save-AzDevOpsBuild.ps1 -ProjectId $ProjectId -BuildId $BuildId
+}
+
+Export-ModuleMember -Function Save-AzDevOpsBuild
\ No newline at end of file
diff --git a/src/Arcus.Scripting.DevOps/Arcus.Scripting.DevOps.pssproj b/src/Arcus.Scripting.DevOps/Arcus.Scripting.DevOps.pssproj
index 435afd35..1ba027ce 100644
--- a/src/Arcus.Scripting.DevOps/Arcus.Scripting.DevOps.pssproj
+++ b/src/Arcus.Scripting.DevOps/Arcus.Scripting.DevOps.pssproj
@@ -33,6 +33,7 @@
     <Compile Include="Arcus.Scripting.DevOps.psd1" />
     <Compile Include="Arcus.Scripting.DevOps.psm1" />
     <Compile Include="Scripts\Set-AzDevOpsArmOutputs.ps1" />
+    <Compile Include="Scripts\Save-AzDevOpsBuild.ps1" />
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
   <Target Name="Build" />
diff --git a/src/Arcus.Scripting.DevOps/Scripts/Save-AzDevOpsBuild.ps1 b/src/Arcus.Scripting.DevOps/Scripts/Save-AzDevOpsBuild.ps1
new file mode 100644
index 00000000..de4dc042
--- /dev/null
+++ b/src/Arcus.Scripting.DevOps/Scripts/Save-AzDevOpsBuild.ps1
@@ -0,0 +1,28 @@
+param(
+   [Parameter(Mandatory = $true)][string] $ProjectId = $(throw "ProjectId is required"),
+   [Parameter(Mandatory = $true)][string] $BuildId = $(throw "BuildId is required")   
+)
+
+$retentionPayload = @{        
+  keepforever='true'
+}
+
+$requestBody = $retentionPayload | ConvertTo-Json -Depth 1 -Compress
+
+$collectionUri = $env:SYSTEM_COLLECTIONURI
+
+if( $collectionUri.EndsWith('/') -eq $False ){
+  $collectionUri = $collectionUri + '/'
+}
+
+$requestUri = "$collectionUri" + "$ProjectId/_apis/build/builds/" + $BuildId + "?api-version=6.0"
+
+Write-Verbose "Saving AzDevOps build with buildid $BuildId in project $ProjectId by posting $requestBody to $requestUri"
+
+$response = Invoke-WebRequest -Uri $requestUri -Method Patch -Body $requestBody -ContentType "application/json" -Headers @{ Authorization = "Bearer $env:SYSTEM_ACCESSTOKEN" }      
+
+if( $response.StatusCode -ne 200 ) {
+    Throw "Unable to retain build indefinetely. API request returned statuscode $($response.StatusCode)"    
+}
+
+exit 0
diff --git a/src/Arcus.Scripting.Tests.Unit/Arcus.Scripting.DevOps.tests.ps1 b/src/Arcus.Scripting.Tests.Unit/Arcus.Scripting.DevOps.tests.ps1
index 70313a47..ecc9441b 100644
--- a/src/Arcus.Scripting.Tests.Unit/Arcus.Scripting.DevOps.tests.ps1
+++ b/src/Arcus.Scripting.Tests.Unit/Arcus.Scripting.DevOps.tests.ps1
@@ -1,7 +1,7 @@
 Describe "Arcus" {
     Context "Azure DevOps" {
         InModuleScope Arcus.Scripting.DevOps {
-            It "Seting DevOps variable should write to host" {
+            It "Setting DevOps variable should write to host" {
                 # Arrange
                 Mock Write-Host { $Object | Should -Be "#vso[task.setvariable variable=test] value" } -Verifiable
                 
@@ -120,6 +120,76 @@
                 Assert-VerifiableMock
                 Assert-MockCalled Write-Host
             }
-        }
+            It "Save-AzDevOpsBuild fails when API call does not return success-code" {
+                # Arrange
+                $env:SYSTEM_COLLECTIONURI = "https://dev.azure.com/myorganization/"
+                $env:ACCESS_TOKEN = "mocking accesstoken"
+                $projectId = "abc123"
+                $buildId = 128                
+
+                Mock Invoke-WebRequest {
+                    $statusCode = 400                   
+                    $response = New-Object System.Net.Http.HttpResponseMessage $statusCode
+                    return $response
+                } -ModuleName Arcus.Scripting.DevOps
+
+                # Act and Assert
+                { Save-AzDevOpsBuild -ProjectId $projectId -BuildId $buildId  } | Should -Throw
+            }
+            It "Save-AzDevOpsBuild succeeds when API call does return success-code" {
+                # Arrange
+                $env:SYSTEM_COLLECTIONURI = "https://dev.azure.com/myorganization/"
+                $env:ACCESS_TOKEN = "mocking accesstoken"
+                $projectId = "abc123"
+                $buildId = 128  
+
+                Mock Invoke-WebRequest {  
+                    $statusCode = 200                    
+                    $response = New-Object System.Net.Http.HttpResponseMessage $statusCode
+                    return $response
+                 } -ModuleName Arcus.Scripting.DevOps               
+
+                # Act and Assert
+                { Save-AzDevOpsBuild -ProjectId $projectId -BuildId $buildId } | Should -Not -Throw
+            }
+            It "Save-AzDevOpsBuild correctly builds API endpoint when CollectionUri has trailing slash" {
+                # Arrange
+                $env:SYSTEM_COLLECTIONURI = "https://dev.azure.com/myorganization/"
+                $env:ACCESS_TOKEN = "mocking accesstoken"
+                $projectId = "abc123"
+                $buildId = 128  
+
+                Mock Invoke-WebRequest {  
+                    $statusCode = 200                    
+                    $response = New-Object System.Net.Http.HttpResponseMessage $statusCode
+                    return $response
+                 } -ModuleName Arcus.Scripting.DevOps               
+
+                # Act
+                Save-AzDevOpsBuild  -ProjectId $projectId -BuildId $buildId 
+
+                # Assert
+                Should -Invoke -CommandName Invoke-WebRequest -Times 1 -ParameterFilter { $Uri -Like "https://dev.azure.com/myorganization/$projectId/*" }                
+            }
+            It "Save-AzDevOpsBuild correctly builds API endpoint when CollectionUri does not have trailing slash" {
+                # Arrange
+                $env:SYSTEM_COLLECTIONURI = "https://dev.azure.com/myorganization"
+                $env:ACCESS_TOKEN = "mocking accesstoken"
+                $projectId = "abc123"
+                $buildId = 128  
+
+                Mock Invoke-WebRequest {  
+                    $statusCode = 200                    
+                    $response = New-Object System.Net.Http.HttpResponseMessage $statusCode
+                    return $response
+                 } -ModuleName Arcus.Scripting.DevOps               
+
+                # Act
+                Save-AzDevOpsBuild  -ProjectId $projectId -BuildId $buildId 
+
+                # Assert
+                Should -Invoke -CommandName Invoke-WebRequest -Times 1 -ParameterFilter { $Uri -Like "https://dev.azure.com/myorganization/$projectId/*" }                
+            }
+        }        
     }
 }