diff --git a/module/Entra/AdditionalFunctions/Get-EntraUserInactiveSignIn.ps1 b/module/Entra/AdditionalFunctions/Get-EntraUserInactiveSignIn.ps1
new file mode 100644
index 000000000..96664d6f8
--- /dev/null
+++ b/module/Entra/AdditionalFunctions/Get-EntraUserInactiveSignIn.ps1
@@ -0,0 +1,78 @@
+# ------------------------------------------------------------------------------
+#  Copyright (c) Microsoft Corporation.  All Rights Reserved.
+#  Licensed under the MIT License.  See License in the project root for license information.
+# ------------------------------------------------------------------------------
+
+function Get-EntraUserInactiveSignIn {
+    [CmdletBinding(DefaultParameterSetName = 'GetQuery')]
+    [OutputType([string])]
+    param (
+        # User Last Sign In Activity is before Days ago
+        [Parameter(
+            Mandatory = $true, 
+            ValueFromPipeline = $true, 
+            HelpMessage = "Number of days to check for Last Sign In Activity"
+        )]
+        [Alias("LastSignInBeforeDaysAgo")]
+        [int] 
+        $Ago,
+
+        # Return results for All, Member, or Guest userTypes
+        [Parameter(
+            HelpMessage = "Specifies the type of user to filter. Choose 'All' for all users, 'Member' for internal users, or 'Guest' for external users."
+        )]
+        [ValidateSet("All", "Member", "Guest")]
+        [System.String]
+        $UserType = "All"
+    )
+
+    process {
+        $params = @{}
+        $customHeaders = New-EntraCustomHeaders -Command $MyInvocation.MyCommand
+
+        foreach ($param in @("Debug", "WarningVariable", "InformationVariable", "InformationAction", "OutVariable", "OutBuffer", "ErrorVariable", "PipelineVariable", "ErrorAction", "WarningAction")) {
+            if ($PSBoundParameters.ContainsKey($param)) {
+                $params[$param] = $PSBoundParameters[$param]
+            }
+        }
+
+        $queryDate = Get-Date (Get-Date).AddDays($(0 - $Ago)) -UFormat %Y-%m-%dT00:00:00Z
+        $queryFilter = ("(signInActivity/lastSignInDateTime le {0})" -f $queryDate)
+
+        Write-Debug ("Retrieving Users with Filter {0}" -f $queryFilter)
+
+        Write-Debug("============================ TRANSFORMATIONS ============================")
+        $params.Keys | ForEach-Object { "$_ : $($params[$_])" } | Write-Debug
+        Write-Debug("=========================================================================`n")
+        
+        $queryUsers = Get-MgUser -Filter $queryFilter -PageSize 999 -All:$true -Property signInActivity, UserPrincipalName, Id, DisplayName, mail, userType, createdDateTime, accountEnabled -Headers $customHeaders 
+
+        $users = if ($UserType -eq "All") {
+            $queryUsers
+        }
+        else {
+            $queryUsers | Where-Object { $_.userType -eq $UserType }
+        }
+
+        foreach ($userObject in $users) {
+            $checkedUser = [ordered] @{
+                UserID                            = $userObject.Id
+                DisplayName                       = $userObject.DisplayName
+                UserPrincipalName                 = $userObject.UserPrincipalName
+                Mail                              = $userObject.Mail
+                UserType                          = $userObject.UserType
+                AccountEnabled                    = $userObject.AccountEnabled
+                LastSignInDateTime                = $userObject.signInActivity.LastSignInDateTime
+                LastSigninDaysAgo                 = if ($null -eq $userObject.signInActivity.LastSignInDateTime) { "Unknown" } else { (New-TimeSpan -Start $userObject.signInActivity.LastSignInDateTime -End (Get-Date)).Days }
+                lastSignInRequestId               = $userObject.signInActivity.lastSignInRequestId
+                lastNonInteractiveSignInDateTime  = if ($null -eq $userObject.signInActivity.lastNonInteractiveSignInDateTime) { "Unknown" } else { $userObject.signInActivity.lastNonInteractiveSignInDateTime }
+                LastNonInteractiveSigninDaysAgo   = if ($null -eq $userObject.signInActivity.lastNonInteractiveSignInDateTime) { "Unknown" } else { (New-TimeSpan -Start $userObject.signInActivity.lastNonInteractiveSignInDateTime -End (Get-Date)).Days }
+                lastNonInteractiveSignInRequestId = $userObject.signInActivity.lastNonInteractiveSignInRequestId
+                CreatedDateTime                   = if ($null -eq $userObject.CreatedDateTime) { "Unknown" } else { $userObject.CreatedDateTime }
+                CreatedDaysAgo                    = if ($null -eq $userObject.CreatedDateTime) { "Unknown" } else { (New-TimeSpan -Start $userObject.CreatedDateTime -End (Get-Date)).Days }
+            }
+
+            Write-Output ([pscustomobject]$checkedUser)
+        }
+    }
+}
diff --git a/module/EntraBeta/AdditionalFunctions/Get-EntraBetaUserInactiveSignIn.ps1 b/module/EntraBeta/AdditionalFunctions/Get-EntraBetaUserInactiveSignIn.ps1
new file mode 100644
index 000000000..feceed699
--- /dev/null
+++ b/module/EntraBeta/AdditionalFunctions/Get-EntraBetaUserInactiveSignIn.ps1
@@ -0,0 +1,78 @@
+# ------------------------------------------------------------------------------
+#  Copyright (c) Microsoft Corporation.  All Rights Reserved.
+#  Licensed under the MIT License.  See License in the project root for license information.
+# ------------------------------------------------------------------------------
+
+function Get-EntraBetaUserInactiveSignIn {
+    [CmdletBinding(DefaultParameterSetName = 'GetQuery')]
+    [OutputType([string])]
+    param (
+        # User Last Sign In Activity is before Days ago
+        [Parameter(
+            Mandatory = $true, 
+            ValueFromPipeline = $true, 
+            HelpMessage = "Number of days to check for Last Sign In Activity"
+        )]
+        [Alias("LastSignInBeforeDaysAgo")]
+        [int] 
+        $Ago,
+
+        # Return results for All, Member, or Guest userTypes
+        [Parameter(
+            HelpMessage = "Specifies the type of user to filter. Choose 'All' for all users, 'Member' for internal users, or 'Guest' for external users."
+        )]
+        [ValidateSet("All", "Member", "Guest")]
+        [System.String]
+        $UserType = "All"
+    )
+
+    process {
+        $params = @{}
+        $customHeaders = New-EntraBetaCustomHeaders -Command $MyInvocation.MyCommand
+
+        foreach ($param in @("Debug", "WarningVariable", "InformationVariable", "InformationAction", "OutVariable", "OutBuffer", "ErrorVariable", "PipelineVariable", "ErrorAction", "WarningAction")) {
+            if ($PSBoundParameters.ContainsKey($param)) {
+                $params[$param] = $PSBoundParameters[$param]
+            }
+        }
+
+        $queryDate = Get-Date (Get-Date).AddDays($(0 - $Ago)) -UFormat %Y-%m-%dT00:00:00Z
+        $queryFilter = ("(signInActivity/lastSignInDateTime le {0})" -f $queryDate)
+
+        Write-Debug ("Retrieving Users with Filter {0}" -f $queryFilter)
+
+        Write-Debug("============================ TRANSFORMATIONS ============================")
+        $params.Keys | ForEach-Object { "$_ : $($params[$_])" } | Write-Debug
+        Write-Debug("=========================================================================`n")
+        
+        $queryUsers = Get-MgBetaUser -Filter $queryFilter -PageSize 999 -All:$true -Property signInActivity, UserPrincipalName, Id, DisplayName, mail, userType, createdDateTime, accountEnabled -Headers $customHeaders 
+
+        $users = if ($UserType -eq "All") {
+            $queryUsers
+        }
+        else {
+            $queryUsers | Where-Object { $_.userType -eq $UserType }
+        }
+
+        foreach ($userObject in $users) {
+            $checkedUser = [ordered] @{
+                UserID                            = $userObject.Id
+                DisplayName                       = $userObject.DisplayName
+                UserPrincipalName                 = $userObject.UserPrincipalName
+                Mail                              = $userObject.Mail
+                UserType                          = $userObject.UserType
+                AccountEnabled                    = $userObject.AccountEnabled
+                LastSignInDateTime                = $userObject.signInActivity.LastSignInDateTime
+                LastSigninDaysAgo                 = if ($null -eq $userObject.signInActivity.LastSignInDateTime) { "Unknown" } else { (New-TimeSpan -Start $userObject.signInActivity.LastSignInDateTime -End (Get-Date)).Days }
+                lastSignInRequestId               = $userObject.signInActivity.lastSignInRequestId
+                lastNonInteractiveSignInDateTime  = if ($null -eq $userObject.signInActivity.lastNonInteractiveSignInDateTime) { "Unknown" } else { $userObject.signInActivity.lastNonInteractiveSignInDateTime }
+                LastNonInteractiveSigninDaysAgo   = if ($null -eq $userObject.signInActivity.lastNonInteractiveSignInDateTime) { "Unknown" } else { (New-TimeSpan -Start $userObject.signInActivity.lastNonInteractiveSignInDateTime -End (Get-Date)).Days }
+                lastNonInteractiveSignInRequestId = $userObject.signInActivity.lastNonInteractiveSignInRequestId
+                CreatedDateTime                   = if ($null -eq $userObject.CreatedDateTime) { "Unknown" } else { $userObject.CreatedDateTime }
+                CreatedDaysAgo                    = if ($null -eq $userObject.CreatedDateTime) { "Unknown" } else { (New-TimeSpan -Start $userObject.CreatedDateTime -End (Get-Date)).Days }
+            }
+
+            Write-Output ([pscustomobject]$checkedUser)
+        }
+    }
+}
diff --git a/module/docs/entra-powershell-beta/Microsoft.Graph.Entra.Beta/Get-EntraBetaUserInactiveSignIn.md b/module/docs/entra-powershell-beta/Microsoft.Graph.Entra.Beta/Get-EntraBetaUserInactiveSignIn.md
new file mode 100644
index 000000000..225604055
--- /dev/null
+++ b/module/docs/entra-powershell-beta/Microsoft.Graph.Entra.Beta/Get-EntraBetaUserInactiveSignIn.md
@@ -0,0 +1,144 @@
+---
+title: Get-EntraBetaUserInactiveSignIn
+description: This article provides details on the Get-EntraBetaUserInactiveSignIn command.
+
+
+ms.topic: reference
+ms.date: 11/08/2024
+ms.author: eunicewaweru
+ms.reviewer: stevemutungi
+manager: CelesteDG
+author: msewaweru
+external help file: Microsoft.Graph.Entra.Beta-Help.xml
+Module Name: Microsoft.Graph.Entra.Beta
+online version: https://learn.microsoft.com/powershell/module/Microsoft.Graph.Entra.Beta/Get-EntraBetaUserInactiveSignIn
+
+schema: 2.0.0
+---
+
+# Get-EntraBetaUserInactiveSignIn
+
+## Synopsis
+
+Retrieve users without interactive sign-ins in the last N days.
+
+## Syntax
+
+```powershell
+Get-EntraBetaUserInactiveSignIn
+ -Ago <Int32>
+ [-UserType <String>]
+ [<CommonParameters>]
+```
+
+## Description
+
+This cmdlet retrieves users without interactive sign-ins in the last N days.
+
+## Examples
+
+### Example 1: Retrieve users without interactive sign-ins in the last 10 days
+
+```powershell
+Connect-Entra -Scopes 'User.Read.All','AuditLog.Read.All'
+Get-EntraBetaUserInactiveSignIn -Ago 10
+```
+
+```Output
+UserID                            : cccccccc-2222-3333-4444-dddddddddddd
+DisplayName                       : Allan Deyoung
+UserPrincipalName                 : AllanD@Contoso.com
+Mail                              : AllanD@Contoso.com
+UserType                          : Member
+AccountEnabled                    : True
+LastSignInDateTime                : 10/7/2024 12:15:17 PM
+LastSigninDaysAgo                 : 30
+lastSignInRequestId               : eeeeeeee-4444-5555-6666-ffffffffffff
+lastNonInteractiveSignInDateTime  : 10/7/2024 12:13:13 PM
+LastNonInteractiveSigninDaysAgo   : 30
+lastNonInteractiveSignInRequestId : dddddddd-3333-4444-5555-eeeeeeeeeeee
+CreatedDateTime                   : 10/7/2024 12:32:30 AM
+CreatedDaysAgo                    : 31
+```
+
+This example shows how to find users who haven’t signed in within the past 30 days.
+
+### Example 2: Retrieve guest users without interactive sign-ins in the last 10 days
+
+```powershell
+Connect-Entra -Scopes 'User.Read.All','AuditLog.Read.All'
+Get-EntraBetaUserInactiveSignIn -Ago 10 -UserType 'Guest'
+```
+
+```Output
+UserID                            : cccccccc-2222-3333-4444-dddddddddddd
+DisplayName                       : Allan Deyoung
+UserPrincipalName                 : AllanD@Contoso.com
+Mail                              : AllanD@Contoso.com
+UserType                          : Guest
+AccountEnabled                    : True
+LastSignInDateTime                : 10/7/2024 12:15:17 PM
+LastSigninDaysAgo                 : 30
+lastSignInRequestId               : eeeeeeee-4444-5555-6666-ffffffffffff
+lastNonInteractiveSignInDateTime  : 10/7/2024 12:13:13 PM
+LastNonInteractiveSigninDaysAgo   : 30
+lastNonInteractiveSignInRequestId : dddddddd-3333-4444-5555-eeeeeeeeeeee
+CreatedDateTime                   : 10/7/2024 12:32:30 AM
+CreatedDaysAgo                    : 31
+```
+
+This example shows how to find guest users who haven’t signed in within the past 30 days. Choose `All` for all users, `Member` for internal users, or `Guest` for external users.
+
+## Parameters
+
+### -Ago
+
+Number of days to check for Last Sign In Activity.
+
+```yaml
+Type: System.Int32
+Parameter Sets: (All)
+Aliases: LastSignInBeforeDaysAgo
+
+Required: True
+Position: Named
+Default value: None
+Accept pipeline input: False
+Accept wildcard characters: False
+```
+
+### -UserType
+
+Specifies the type of user to filter. Choose `All` for all users, `Member` for internal users, or `Guest` for external users.
+
+```yaml
+Type: System.String
+Parameter Sets: (All)
+Aliases:
+
+Required: False
+Position: Named
+Default value: All
+Accept pipeline input: False
+Accept wildcard characters: False
+```
+
+### CommonParameters
+
+This cmdlet supports the common parameters: `-Debug`, `-ErrorAction`, `-ErrorVariable`, `-InformationAction`, `-InformationVariable`, `-OutVariable`, `-OutBuffer`, `-PipelineVariable`, `-Verbose`, `-WarningAction`, and `-WarningVariable`. For more information, see [about_CommonParameters](https://go.microsoft.com/fwlink/?LinkID=113216).
+
+## Inputs
+
+### System.String
+
+## Outputs
+
+### System.Object
+
+## Notes
+
+Updating Role Assignable Groups or Privileged Access Groups require `PrivilegedAccess.ReadWrite.AzureADGroup` permission scope.
+
+## Related Links
+
+[Get-EntraBetaUser](Get-EntraBetaUser.md)
diff --git a/module/docs/entra-powershell-v1.0/Microsoft.Graph.Entra/Get-EntraUserInactiveSignIn.md b/module/docs/entra-powershell-v1.0/Microsoft.Graph.Entra/Get-EntraUserInactiveSignIn.md
new file mode 100644
index 000000000..656dadabc
--- /dev/null
+++ b/module/docs/entra-powershell-v1.0/Microsoft.Graph.Entra/Get-EntraUserInactiveSignIn.md
@@ -0,0 +1,144 @@
+---
+title: Get-EntraUserInactiveSignIn
+description: This article provides details on the Get-EntraUserInactiveSignIn command.
+
+
+ms.topic: reference
+ms.date: 11/08/2024
+ms.author: eunicewaweru
+ms.reviewer: stevemutungi
+manager: CelesteDG
+author: msewaweru
+external help file: Microsoft.Graph.Entra-Help.xml
+Module Name: Microsoft.Graph.Entra
+online version: https://learn.microsoft.com/powershell/module/Microsoft.Graph.Entra/Get-EntraUserInactiveSignIn
+
+schema: 2.0.0
+---
+
+# Get-EntraUserInactiveSignIn
+
+## Synopsis
+
+Retrieve users without interactive sign-ins in the last N days.
+
+## Syntax
+
+```powershell
+Get-EntraUserInactiveSignIn
+ -Ago <Int32>
+ [-UserType <String>]
+ [<CommonParameters>]
+```
+
+## Description
+
+This cmdlet retrieves users without interactive sign-ins in the last N days.
+
+## Examples
+
+### Example 1: Retrieve users without interactive sign-ins in the last 10 days
+
+```powershell
+Connect-Entra -Scopes 'User.Read.All','AuditLog.Read.All'
+Get-EntraUserInactiveSignIn -Ago 10
+```
+
+```Output
+UserID                            : cccccccc-2222-3333-4444-dddddddddddd
+DisplayName                       : Allan Deyoung
+UserPrincipalName                 : AllanD@Contoso.com
+Mail                              : AllanD@Contoso.com
+UserType                          : Member
+AccountEnabled                    : True
+LastSignInDateTime                : 10/7/2024 12:15:17 PM
+LastSigninDaysAgo                 : 30
+lastSignInRequestId               : eeeeeeee-4444-5555-6666-ffffffffffff
+lastNonInteractiveSignInDateTime  : 10/7/2024 12:13:13 PM
+LastNonInteractiveSigninDaysAgo   : 30
+lastNonInteractiveSignInRequestId : dddddddd-3333-4444-5555-eeeeeeeeeeee
+CreatedDateTime                   : 10/7/2024 12:32:30 AM
+CreatedDaysAgo                    : 31
+```
+
+This example shows how to find users who haven’t signed in within the past 30 days.
+
+### Example 2: Retrieve guest users without interactive sign-ins in the last 10 days
+
+```powershell
+Connect-Entra -Scopes 'User.Read.All','AuditLog.Read.All'
+Get-EntraUserInactiveSignIn -Ago 10 -UserType 'Guest'
+```
+
+```Output
+UserID                            : cccccccc-2222-3333-4444-dddddddddddd
+DisplayName                       : Allan Deyoung
+UserPrincipalName                 : AllanD@Contoso.com
+Mail                              : AllanD@Contoso.com
+UserType                          : Guest
+AccountEnabled                    : True
+LastSignInDateTime                : 10/7/2024 12:15:17 PM
+LastSigninDaysAgo                 : 30
+lastSignInRequestId               : eeeeeeee-4444-5555-6666-ffffffffffff
+lastNonInteractiveSignInDateTime  : 10/7/2024 12:13:13 PM
+LastNonInteractiveSigninDaysAgo   : 30
+lastNonInteractiveSignInRequestId : dddddddd-3333-4444-5555-eeeeeeeeeeee
+CreatedDateTime                   : 10/7/2024 12:32:30 AM
+CreatedDaysAgo                    : 31
+```
+
+This example shows how to find guest users who haven’t signed in within the past 30 days. Choose `All` for all users, `Member` for internal users, or `Guest` for external users.
+
+## Parameters
+
+### -Ago
+
+Number of days to check for Last Sign In Activity.
+
+```yaml
+Type: System.Int32
+Parameter Sets: (All)
+Aliases: LastSignInBeforeDaysAgo
+
+Required: True
+Position: Named
+Default value: None
+Accept pipeline input: False
+Accept wildcard characters: False
+```
+
+### -UserType
+
+Specifies the type of user to filter. Choose `All` for all users, `Member` for internal users, or `Guest` for external users.
+
+```yaml
+Type: System.String
+Parameter Sets: (All)
+Aliases:
+
+Required: False
+Position: Named
+Default value: All
+Accept pipeline input: False
+Accept wildcard characters: False
+```
+
+### CommonParameters
+
+This cmdlet supports the common parameters: `-Debug`, `-ErrorAction`, `-ErrorVariable`, `-InformationAction`, `-InformationVariable`, `-OutVariable`, `-OutBuffer`, `-PipelineVariable`, `-Verbose`, `-WarningAction`, and `-WarningVariable`. For more information, see [about_CommonParameters](https://go.microsoft.com/fwlink/?LinkID=113216).
+
+## Inputs
+
+### System.String
+
+## Outputs
+
+### System.Object
+
+## Notes
+
+Updating Role Assignable Groups or Privileged Access Groups require `PrivilegedAccess.ReadWrite.AzureADGroup` permission scope.
+
+## Related Links
+
+[Get-EntraUser](Get-EntraUser.md)
diff --git a/test/module/Entra/Get-EntraUserInactiveSignIn.Tests.ps1 b/test/module/Entra/Get-EntraUserInactiveSignIn.Tests.ps1
new file mode 100644
index 000000000..19648a71d
--- /dev/null
+++ b/test/module/Entra/Get-EntraUserInactiveSignIn.Tests.ps1
@@ -0,0 +1,89 @@
+# ------------------------------------------------------------------------------
+#  Copyright (c) Microsoft Corporation.  All Rights Reserved.  Licensed under the MIT License.  See License in the project root for license information.
+# ------------------------------------------------------------------------------
+BeforeAll {  
+    if ((Get-Module -Name Microsoft.Graph.Entra) -eq $null) {
+        Import-Module Microsoft.Graph.Entra        
+    }
+    Import-Module (Join-Path $psscriptroot "..\Common-Functions.ps1") -Force
+ 
+    Mock -CommandName Get-MgUser -MockWith {
+        param ($Property)
+        if ($Property -contains 'signInActivity') {
+            # Return a mock object including signInActivity property
+            [pscustomobject]@{
+                Id                = '00001111-aaaa-2222-bbbb-3333cccc4444'
+                DisplayName       = 'Allan Deyoung'
+                UserPrincipalName = 'AllanD@Contoso.com'
+                Mail              = 'AllanD@Contoso.com'
+                UserType          = 'Member'
+                AccountEnabled    = 'True'
+                createdDateTime   = '2024-10-07T12:15:17Z'
+                signInActivity    = @{
+                    LastSignInDateTime                = '10/7/2024 12:15:17 PM'
+                    LastNonInteractiveSignInDateTime  = '10/7/2024 12:13:13 PM'
+                    LastSignInRequestId               = 'aaaabbbb-0000-cccc-1111-dddd2222eeee'
+                    LastNonInteractiveSignInRequestId = ''
+                }
+            }
+        }
+        else {
+            # Return a generic mock object
+            [pscustomobject]@{
+                Id                = '00001111-aaaa-2222-bbbb-3333cccc4444'
+                DisplayName       = 'Allan Deyoung'
+                UserPrincipalName = 'AllanD@Contoso.com'
+                Mail              = 'AllanD@Contoso.com'
+                UserType          = 'Member'
+                AccountEnabled    = 'True'
+                createdDateTime   = '2024-10-07T12:15:17Z'
+            }
+        }
+    } -ModuleName Microsoft.Graph.Entra
+}
+
+Describe "Get-EntraUserInactiveSignIn" {
+    Context "Test for Get-EntraUserInactiveSignIn" {
+        It "Returns all the Inactive users in a tenant in the last N days." {
+            $result = Get-EntraUserInactiveSignIn -Ago 30 -UserType "All"
+            $result | Should -Not -BeNullOrEmpty
+
+            Should -Invoke -CommandName Get-MgUser -ModuleName Microsoft.Graph.Entra -Times 1
+        }
+        It "Should fail when Ago is empty" {
+            { Get-EntraUserInactiveSignIn -Ago } | Should -Throw "Missing an argument for parameter 'Ago'*"
+        }
+       
+        It "Should fail when Ago is invalid" {
+            { Get-EntraUserInactiveSignIn -Ago HH } | Should -Throw "Cannot process argument transformation on parameter 'Ago'*"
+        }
+
+        It "Should contain 'User-Agent' header" {
+            $userAgentHeaderValue = "PowerShell/$psVersion EntraPowershell/$entraVersion Get-EntraUserInactiveSignIn"
+
+            $result = Get-EntraUserInactiveSignIn -Ago 30 -UserType "All"
+            $result | Should -Not -BeNullOrEmpty
+
+            $userAgentHeaderValue = "PowerShell/$psVersion EntraPowershell/$entraVersion Get-EntraUserInactiveSignIn"
+
+            Should -Invoke -CommandName Get-MgUser -ModuleName Microsoft.Graph.Entra -Times 1 -ParameterFilter {
+                $Headers.'User-Agent' | Should -Be $userAgentHeaderValue
+                $true
+            }
+        }
+        It "Should execute successfully without throwing an error" {
+            # Disable confirmation prompts       
+            $originalDebugPreference = $DebugPreference
+            $DebugPreference = 'Continue'
+    
+            try {
+                # Act & Assert: Ensure the function doesn't throw an exception
+                { Get-EntraUserInactiveSignIn -Ago 30 -Debug } | Should -Not -Throw
+            }
+            finally {
+                # Restore original confirmation preference            
+                $DebugPreference = $originalDebugPreference        
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/test/module/EntraBeta/Get-EntraBetaUserInactiveSignIn.Tests.ps1 b/test/module/EntraBeta/Get-EntraBetaUserInactiveSignIn.Tests.ps1
new file mode 100644
index 000000000..b773c819c
--- /dev/null
+++ b/test/module/EntraBeta/Get-EntraBetaUserInactiveSignIn.Tests.ps1
@@ -0,0 +1,90 @@
+# ------------------------------------------------------------------------------
+#  Copyright (c) Microsoft Corporation.  All Rights Reserved.  Licensed under the MIT License.  See License in the project root for license information.
+# ------------------------------------------------------------------------------
+BeforeAll {  
+    if ((Get-Module -Name Microsoft.Graph.Entra.Beta) -eq $null) {
+        Import-Module Microsoft.Graph.Entra.Beta        
+    }
+    Import-Module (Join-Path $psscriptroot "..\Common-Functions.ps1") -Force
+
+    Mock -CommandName Get-MgBetaUser -MockWith {
+        param ($Property)
+        if ($Property -contains 'signInActivity') {
+            # Return a mock object including signInActivity property
+            [pscustomobject]@{
+                Id                = '00001111-aaaa-2222-bbbb-3333cccc4444'
+                DisplayName       = 'Allan Deyoung'
+                UserPrincipalName = 'AllanD@Contoso.com'
+                Mail              = 'AllanD@Contoso.com'
+                UserType          = 'Member'
+                AccountEnabled    = 'True'
+                createdDateTime   = '2024-10-07T12:15:17Z'
+                signInActivity    = @{
+                    LastSignInDateTime                = '10/7/2024 12:15:17 PM'
+                    LastNonInteractiveSignInDateTime  = '10/7/2024 12:13:13 PM'
+                    LastSignInRequestId               = 'aaaabbbb-0000-cccc-1111-dddd2222eeee'
+                    LastNonInteractiveSignInRequestId = ''
+                }
+            }
+        }
+        else {
+            # Return a generic mock object
+            [pscustomobject]@{
+                Id                = '00001111-aaaa-2222-bbbb-3333cccc4444'
+                DisplayName       = 'Allan Deyoung'
+                UserPrincipalName = 'AllanD@Contoso.com'
+                Mail              = 'AllanD@Contoso.com'
+                UserType          = 'Member'
+                AccountEnabled    = 'True'
+                createdDateTime   = '2024-10-07T12:15:17Z'
+            }
+        }
+    } -ModuleName Microsoft.Graph.Entra.Beta
+    
+}
+
+Describe "Get-EntraBetaUserInactiveSignIn" {
+    Context "Test for Get-EntraBetaUserInactiveSignIn" {
+        It "Returns all the Inactive users in a tenant in the last N days." {
+            $result = Get-EntraBetaUserInactiveSignIn -Ago 30 -UserType "All"
+            $result | Should -Not -BeNullOrEmpty
+
+            Should -Invoke -CommandName Get-MgBetaUser -ModuleName Microsoft.Graph.Entra.Beta -Times 1
+        }
+        It "Should fail when Ago is empty" {
+            { Get-EntraBetaUserInactiveSignIn -Ago } | Should -Throw "Missing an argument for parameter 'Ago'*"
+        }
+       
+        It "Should fail when Ago is invalid" {
+            { Get-EntraBetaUserInactiveSignIn -Ago HH } | Should -Throw "Cannot process argument transformation on parameter 'Ago'*"
+        }
+
+        It "Should contain 'User-Agent' header" {
+            $userAgentHeaderValue = "PowerShell/$psVersion EntraPowershell/$entraVersion Get-EntraBetaUserInactiveSignIn"
+
+            $result = Get-EntraBetaUserInactiveSignIn -Ago 30 -UserType "All"
+            $result | Should -Not -BeNullOrEmpty
+
+            $userAgentHeaderValue = "PowerShell/$psVersion EntraPowershell/$entraVersion Get-EntraBetaUserInactiveSignIn"
+
+            Should -Invoke -CommandName Get-MgBetaUser -ModuleName Microsoft.Graph.Entra.Beta -Times 1 -ParameterFilter {
+                $Headers.'User-Agent' | Should -Be $userAgentHeaderValue
+                $true
+            }
+        }
+        It "Should execute successfully without throwing an error" {
+            # Disable confirmation prompts       
+            $originalDebugPreference = $DebugPreference
+            $DebugPreference = 'Continue'
+    
+            try {
+                # Act & Assert: Ensure the function doesn't throw an exception
+                { Get-EntraBetaUserInactiveSignIn -Ago 30 -Debug } | Should -Not -Throw
+            }
+            finally {
+                # Restore original confirmation preference            
+                $DebugPreference = $originalDebugPreference        
+            }
+        }
+    }
+}
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