DSCResources/MSFT_EXOActiveSyncMailboxPolicy/MSFT_EXOActiveSyncMailboxPolicy.psm1

function Get-TargetResource
{
    [CmdletBinding()]
    [OutputType([System.Collections.Hashtable])]
    param
    (
        [Parameter()]
        [System.String]
        $Name,

        [Parameter()]
        [System.Boolean]
        $AllowApplePushNotifications,

        [Parameter()]
        [System.String]
        [ValidateSet('Disable', 'HandsfreeOnly', 'Allow')]
        $AllowBluetooth,

        [Parameter()]
        [System.Boolean]
        $AllowBrowser,

        [Parameter()]
        [System.Boolean]
        $AllowCamera,

        [Parameter()]
        [System.Boolean]
        $AllowConsumerEmail,

        [Parameter()]
        [System.Boolean]
        $AllowDesktopSync,

        [Parameter()]
        [System.Boolean]
        $AllowExternalDeviceManagement,

        [Parameter()]
        [System.Boolean]
        $AllowHTMLEmail,

        [Parameter()]
        [System.Boolean]
        $AllowInternetSharing,

        [Parameter()]
        [System.Boolean]
        $AllowIrDA,

        [Parameter()]
        [System.Boolean]
        $AllowMobileOTAUpdate,

        [Parameter()]
        [System.Boolean]
        $AllowNonProvisionableDevices,

        [Parameter()]
        [System.Boolean]
        $AllowPOPIMAPEmail,

        [Parameter()]
        [System.Boolean]
        $AllowRemoteDesktop,

        [Parameter()]
        [System.Boolean]
        $AllowSimpleDevicePassword,

        [Parameter()]
        [System.String]
        $AllowSMIMEEncryptionAlgorithmNegotiation,

        [Parameter()]
        [System.Boolean]
        $AllowSMIMESoftCerts,

        [Parameter()]
        [System.Boolean]
        $AllowStorageCard,

        [Parameter()]
        [System.Boolean]
        $AllowTextMessaging,

        [Parameter()]
        [System.Boolean]
        $AllowUnsignedApplications,

        [Parameter()]
        [System.Boolean]
        $AllowUnsignedInstallationPackages,

        [Parameter()]
        [System.Boolean]
        $AllowWiFi,

        [Parameter()]
        [System.Boolean]
        $AlphanumericDevicePasswordRequired,

        [Parameter()]
        [System.String[]]
        $ApprovedApplicationList,

        [Parameter()]
        [System.Boolean]
        $AttachmentsEnabled,

        [Parameter()]
        [System.Boolean]
        $DeviceEncryptionEnabled,

        [Parameter()]
        [System.Boolean]
        $DevicePasswordEnabled,

        [Parameter()]
        [System.String]
        $DevicePasswordExpiration,

        [Parameter()]
        [System.Int32]
        $DevicePasswordHistory,

        [Parameter()]
        [System.String]
        $DevicePolicyRefreshInterval,

        [Parameter()]
        [System.Boolean]
        $IrmEnabled,

        [Parameter()]
        [System.Boolean]
        $IsDefault,

        [Parameter()]
        [System.Boolean]
        $IsDefaultPolicy,

        [Parameter()]
        [System.String]
        $MaxAttachmentSize,

        [Parameter()]
        [System.String]
        [ValidateSet('All', 'TwoWeeks', 'OneMonth', 'ThreeMonths', 'SixMonths')]
        $MaxCalendarAgeFilter,

        [Parameter()]
        [System.String]
        $MaxDevicePasswordFailedAttempts,

        [Parameter()]
        [System.String]
        [ValidateSet('All', 'OneDay', 'ThreeDays', 'OneWeek', 'TwoWeeks', 'OneMonth', 'ThreeMonths', 'SixMonths')]
        $MaxEmailAgeFilter,

        [Parameter()]
        [System.String]
        $MaxEmailBodyTruncationSize,

        [Parameter()]
        [System.String]
        $MaxEmailHTMLBodyTruncationSize,

        [Parameter()]
        [System.String]
        $MaxInactivityTimeDeviceLock,

        [Parameter()]
        [System.Int32]
        $MinDevicePasswordComplexCharacters,

        [Parameter()]
        [System.Int32]
        $MinDevicePasswordLength,

        [Parameter()]
        [System.Boolean]
        $PasswordRecoveryEnabled,

        [Parameter()]
        [System.Boolean]
        $RequireDeviceEncryption,

        [Parameter()]
        [System.Boolean]
        $RequireEncryptedSMIMEMessages,

        [Parameter()]
        [System.String]
        $RequireEncryptionSMIMEAlgorithm,

        [Parameter()]
        [System.Boolean]
        $RequireManualSyncWhenRoaming,

        [Parameter()]
        [System.String]
        $RequireSignedSMIMEAlgorithm,

        [Parameter()]
        [System.Boolean]
        $RequireSignedSMIMEMessages,

        [Parameter()]
        [System.Boolean]
        $RequireStorageCardEncryption,

        [Parameter()]
        [System.String[]]
        $UnapprovedInROMApplicationList,

        [Parameter()]
        [System.Boolean]
        $UNCAccessEnabled,

        [Parameter()]
        [System.Boolean]
        $WSSAccessEnabled,

        [Parameter(Mandatory = $true)]
        [System.String]
        $Identity,

        [Parameter()]
        [ValidateSet('Present', 'Absent')]
        [System.String]
        $Ensure = 'Present',

        [Parameter()]
        [System.Management.Automation.PSCredential]
        $Credential,

        [Parameter()]
        [System.String]
        $ApplicationId,

        [Parameter()]
        [System.String]
        $TenantId,

        [Parameter()]
        [System.String]
        $CertificateThumbprint,

        [Parameter()]
        [Switch]
        $ManagedIdentity,

        [Parameter()]
        [System.String[]]
        $AccessTokens
    )

    New-M365DSCConnection -Workload 'ExchangeOnline' `
        -InboundParameters $PSBoundParameters | Out-Null

    Confirm-M365DSCDependencies

    $ResourceName = $MyInvocation.MyCommand.ModuleName.Replace('MSFT_', '')
    $CommandName = $MyInvocation.MyCommand
    $data = Format-M365DSCTelemetryParameters -ResourceName $ResourceName `
        -CommandName $CommandName `
        -Parameters $PSBoundParameters
    Add-M365DSCTelemetryEvent -Data $data

    $nullResult = $PSBoundParameters
    $nullResult.Ensure = 'Absent'
    try
    {
        if ($null -ne $Script:exportedInstances -and $Script:ExportMode)
        {
            $instance = $Script:exportedInstances | Where-Object -FilterScript { $_.Identity -eq $Identity }
        }
        else
        {
            $instance = Get-ActiveSyncMailboxPolicy -Identity $Identity -ErrorAction Stop
        }
        if ($null -eq $instance)
        {
            return $nullResult
        }

        $results = @{
            Ensure                                   = 'Present'
            Name                                     = [System.String]$instance.Name
            AllowApplePushNotifications              = [System.Boolean]$instance.AllowApplePushNotifications
            AllowBluetooth                           = [System.String]$instance.AllowBluetooth
            AllowBrowser                             = [System.Boolean]$instance.AllowBrowser
            AllowCamera                              = [System.Boolean]$instance.AllowCamera
            AllowConsumerEmail                       = [System.Boolean]$instance.AllowConsumerEmail
            AllowDesktopSync                         = [System.Boolean]$instance.AllowDesktopSync
            AllowExternalDeviceManagement            = [System.Boolean]$instance.AllowExternalDeviceManagement
            AllowHTMLEmail                           = [System.Boolean]$instance.AllowHTMLEmail
            AllowInternetSharing                     = [System.Boolean]$instance.AllowInternetSharing
            AllowIrDA                                = [System.Boolean]$instance.AllowIrDA
            AllowMobileOTAUpdate                     = [System.Boolean]$instance.AllowMobileOTAUpdate
            AllowNonProvisionableDevices             = [System.Boolean]$instance.AllowNonProvisionableDevices
            AllowPOPIMAPEmail                        = [System.Boolean]$instance.AllowPOPIMAPEmail
            AllowRemoteDesktop                       = [System.Boolean]$instance.AllowRemoteDesktop
            AllowSimpleDevicePassword                = [System.Boolean]$instance.AllowSimpleDevicePassword
            AllowSMIMEEncryptionAlgorithmNegotiation = [System.String]$instance.AllowSMIMEEncryptionAlgorithmNegotiation
            AllowSMIMESoftCerts                      = [System.Boolean]$instance.AllowSMIMESoftCerts
            AllowStorageCard                         = [System.Boolean]$instance.AllowStorageCard
            AllowTextMessaging                       = [System.Boolean]$instance.AllowTextMessaging
            AllowUnsignedApplications                = [System.Boolean]$instance.AllowUnsignedApplications
            AllowUnsignedInstallationPackages        = [System.Boolean]$instance.AllowUnsignedInstallationPackages
            AllowWiFi                                = [System.Boolean]$instance.AllowWiFi
            AlphanumericDevicePasswordRequired       = [System.Boolean]$instance.AlphanumericDevicePasswordRequired
            ApprovedApplicationList                  = [System.String[]]$instance.ApprovedApplicationList
            AttachmentsEnabled                       = [System.Boolean]$instance.AttachmentsEnabled
            DeviceEncryptionEnabled                  = [System.Boolean]$instance.DeviceEncryptionEnabled
            DevicePasswordEnabled                    = [System.Boolean]$instance.DevicePasswordEnabled
            DevicePasswordExpiration                 = [System.String]$instance.DevicePasswordExpiration
            DevicePasswordHistory                    = [System.Int32]$instance.DevicePasswordHistory
            DevicePolicyRefreshInterval              = [System.String]$instance.DevicePolicyRefreshInterval
            IrmEnabled                               = [System.Boolean]$instance.IrmEnabled
            IsDefault                                = [System.Boolean]$instance.IsDefault
            IsDefaultPolicy                          = [System.Boolean]$instance.IsDefaultPolicy
            MaxAttachmentSize                        = [System.String]$instance.MaxAttachmentSize
            MaxCalendarAgeFilter                     = [System.String]$instance.MaxCalendarAgeFilter
            MaxDevicePasswordFailedAttempts          = [System.String]$instance.MaxDevicePasswordFailedAttempts
            MaxEmailAgeFilter                        = [System.String]$instance.MaxEmailAgeFilter
            MaxEmailBodyTruncationSize               = [System.String]$instance.MaxEmailBodyTruncationSize
            MaxEmailHTMLBodyTruncationSize           = [System.String]$instance.MaxEmailHTMLBodyTruncationSize
            MaxInactivityTimeDeviceLock              = [System.String]$instance.MaxInactivityTimeDeviceLock
            MinDevicePasswordComplexCharacters       = [System.Int32]$instance.MinDevicePasswordComplexCharacters
            MinDevicePasswordLength                  = [System.Int32]$instance.MinDevicePasswordLength
            PasswordRecoveryEnabled                  = [System.Boolean]$instance.PasswordRecoveryEnabled
            RequireDeviceEncryption                  = [System.Boolean]$instance.RequireDeviceEncryption
            RequireEncryptedSMIMEMessages            = [System.Boolean]$instance.RequireEncryptedSMIMEMessages
            RequireEncryptionSMIMEAlgorithm          = [System.String]$instance.RequireEncryptionSMIMEAlgorithm
            RequireManualSyncWhenRoaming             = [System.Boolean]$instance.RequireManualSyncWhenRoaming
            RequireSignedSMIMEAlgorithm              = [System.String]$instance.RequireSignedSMIMEAlgorithm
            RequireSignedSMIMEMessages               = [System.Boolean]$instance.RequireSignedSMIMEMessages
            RequireStorageCardEncryption             = [System.Boolean]$instance.RequireStorageCardEncryption
            UnapprovedInROMApplicationList           = [System.String[]]$instance.UnapprovedInROMApplicationList
            UNCAccessEnabled                         = [System.Boolean]$instance.UNCAccessEnabled
            WSSAccessEnabled                         = [System.Boolean]$instance.WSSAccessEnabled
            Identity                                 = [System.String]$Identity
            Credential                               = $Credential
            ApplicationId                            = $ApplicationId
            TenantId                                 = $TenantId
            CertificateThumbprint                    = $CertificateThumbprint
            ManagedIdentity                          = $ManagedIdentity.IsPresent
            AccessTokens                             = $AccessTokens
        }
        return [System.Collections.Hashtable] $results
    }
    catch
    {
        New-M365DSCLogEntry -Message 'Error retrieving data:' `
            -Exception $_ `
            -Source $($MyInvocation.MyCommand.Source) `
            -TenantId $TenantId `
            -Credential $Credential

        return $nullResult
    }
}

function Set-TargetResource
{
    [CmdletBinding()]
    param
    (
        [Parameter()]
        [System.String]
        $Name,

        [Parameter()]
        [System.Boolean]
        $AllowApplePushNotifications,

        [Parameter()]
        [System.String]
        [ValidateSet('Disable', 'HandsfreeOnly', 'Allow')]
        $AllowBluetooth,

        [Parameter()]
        [System.Boolean]
        $AllowBrowser,

        [Parameter()]
        [System.Boolean]
        $AllowCamera,

        [Parameter()]
        [System.Boolean]
        $AllowConsumerEmail,

        [Parameter()]
        [System.Boolean]
        $AllowDesktopSync,

        [Parameter()]
        [System.Boolean]
        $AllowExternalDeviceManagement,

        [Parameter()]
        [System.Boolean]
        $AllowHTMLEmail,

        [Parameter()]
        [System.Boolean]
        $AllowInternetSharing,

        [Parameter()]
        [System.Boolean]
        $AllowIrDA,

        [Parameter()]
        [System.Boolean]
        $AllowMobileOTAUpdate,

        [Parameter()]
        [System.Boolean]
        $AllowNonProvisionableDevices,

        [Parameter()]
        [System.Boolean]
        $AllowPOPIMAPEmail,

        [Parameter()]
        [System.Boolean]
        $AllowRemoteDesktop,

        [Parameter()]
        [System.Boolean]
        $AllowSimpleDevicePassword,

        [Parameter()]
        [System.String]
        $AllowSMIMEEncryptionAlgorithmNegotiation,

        [Parameter()]
        [System.Boolean]
        $AllowSMIMESoftCerts,

        [Parameter()]
        [System.Boolean]
        $AllowStorageCard,

        [Parameter()]
        [System.Boolean]
        $AllowTextMessaging,

        [Parameter()]
        [System.Boolean]
        $AllowUnsignedApplications,

        [Parameter()]
        [System.Boolean]
        $AllowUnsignedInstallationPackages,

        [Parameter()]
        [System.Boolean]
        $AllowWiFi,

        [Parameter()]
        [System.Boolean]
        $AlphanumericDevicePasswordRequired,

        [Parameter()]
        [System.String[]]
        $ApprovedApplicationList,

        [Parameter()]
        [System.Boolean]
        $AttachmentsEnabled,

        [Parameter()]
        [System.Boolean]
        $DeviceEncryptionEnabled,

        [Parameter()]
        [System.Boolean]
        $DevicePasswordEnabled,

        [Parameter()]
        [System.String]
        $DevicePasswordExpiration,

        [Parameter()]
        [System.Int32]
        $DevicePasswordHistory,

        [Parameter()]
        [System.String]
        $DevicePolicyRefreshInterval,

        [Parameter()]
        [System.Boolean]
        $IrmEnabled,

        [Parameter()]
        [System.Boolean]
        $IsDefault,

        [Parameter()]
        [System.Boolean]
        $IsDefaultPolicy,

        [Parameter()]
        [System.String]
        $MaxAttachmentSize,

        [Parameter()]
        [System.String]
        [ValidateSet('All', 'TwoWeeks', 'OneMonth', 'ThreeMonths', 'SixMonths')]
        $MaxCalendarAgeFilter,

        [Parameter()]
        [System.String]
        $MaxDevicePasswordFailedAttempts,

        [Parameter()]
        [System.String]
        [ValidateSet('All', 'OneDay', 'ThreeDays', 'OneWeek', 'TwoWeeks', 'OneMonth', 'ThreeMonths', 'SixMonths')]
        $MaxEmailAgeFilter,

        [Parameter()]
        [System.String]
        $MaxEmailBodyTruncationSize,

        [Parameter()]
        [System.String]
        $MaxEmailHTMLBodyTruncationSize,

        [Parameter()]
        [System.String]
        $MaxInactivityTimeDeviceLock,

        [Parameter()]
        [System.Int32]
        $MinDevicePasswordComplexCharacters,

        [Parameter()]
        [System.Int32]
        $MinDevicePasswordLength,

        [Parameter()]
        [System.Boolean]
        $PasswordRecoveryEnabled,

        [Parameter()]
        [System.Boolean]
        $RequireDeviceEncryption,

        [Parameter()]
        [System.Boolean]
        $RequireEncryptedSMIMEMessages,

        [Parameter()]
        [System.String]
        $RequireEncryptionSMIMEAlgorithm,

        [Parameter()]
        [System.Boolean]
        $RequireManualSyncWhenRoaming,

        [Parameter()]
        [System.String]
        $RequireSignedSMIMEAlgorithm,

        [Parameter()]
        [System.Boolean]
        $RequireSignedSMIMEMessages,

        [Parameter()]
        [System.Boolean]
        $RequireStorageCardEncryption,

        [Parameter()]
        [System.String[]]
        $UnapprovedInROMApplicationList,

        [Parameter()]
        [System.Boolean]
        $UNCAccessEnabled,

        [Parameter()]
        [System.Boolean]
        $WSSAccessEnabled,

        [Parameter(Mandatory = $true)]
        [System.String]
        $Identity,

        [Parameter()]
        [ValidateSet('Present', 'Absent')]
        [System.String]
        $Ensure = 'Present',

        [Parameter()]
        [System.Management.Automation.PSCredential]
        $Credential,

        [Parameter()]
        [System.String]
        $ApplicationId,

        [Parameter()]
        [System.String]
        $TenantId,

        [Parameter()]
        [System.String]
        $CertificateThumbprint,

        [Parameter()]
        [Switch]
        $ManagedIdentity,

        [Parameter()]
        [System.String[]]
        $AccessTokens

    )

    #Ensure the proper dependencies are installed in the current environment.
    Confirm-M365DSCDependencies

    #region Telemetry
    $ResourceName = $MyInvocation.MyCommand.ModuleName.Replace('MSFT_', '')
    $CommandName = $MyInvocation.MyCommand
    $data = Format-M365DSCTelemetryParameters -ResourceName $ResourceName `
        -CommandName $CommandName `
        -Parameters $PSBoundParameters
    Add-M365DSCTelemetryEvent -Data $data
    #endregion

    $currentInstance = Get-TargetResource @PSBoundParameters

    $setParameters = Remove-M365DSCAuthenticationParameter -BoundParameters $PSBoundParameters

    # CREATE
    if ($Ensure -eq 'Present' -and $currentInstance.Ensure -eq 'Absent')
    {
        $setParameters.Remove('Identity')
        New-ActiveSyncMailboxPolicy @SetParameters
    }
    # UPDATE
    elseif ($Ensure -eq 'Present' -and $currentInstance.Ensure -eq 'Present')
    {
        Set-ActiveSyncMailboxPolicy @SetParameters
    }
    # REMOVE
    elseif ($Ensure -eq 'Absent' -and $currentInstance.Ensure -eq 'Present')
    {
        Remove-ActiveSyncMailboxPolicy -Identity $Identity
    }
}

function Test-TargetResource
{
    [CmdletBinding()]
    [OutputType([System.Boolean])]
    param
    (
        [Parameter()]
        [System.String]
        $Name,

        [Parameter()]
        [System.Boolean]
        $AllowApplePushNotifications,

        [Parameter()]
        [System.String]
        [ValidateSet('Disable', 'HandsfreeOnly', 'Allow')]
        $AllowBluetooth,

        [Parameter()]
        [System.Boolean]
        $AllowBrowser,

        [Parameter()]
        [System.Boolean]
        $AllowCamera,

        [Parameter()]
        [System.Boolean]
        $AllowConsumerEmail,

        [Parameter()]
        [System.Boolean]
        $AllowDesktopSync,

        [Parameter()]
        [System.Boolean]
        $AllowExternalDeviceManagement,

        [Parameter()]
        [System.Boolean]
        $AllowHTMLEmail,

        [Parameter()]
        [System.Boolean]
        $AllowInternetSharing,

        [Parameter()]
        [System.Boolean]
        $AllowIrDA,

        [Parameter()]
        [System.Boolean]
        $AllowMobileOTAUpdate,

        [Parameter()]
        [System.Boolean]
        $AllowNonProvisionableDevices,

        [Parameter()]
        [System.Boolean]
        $AllowPOPIMAPEmail,

        [Parameter()]
        [System.Boolean]
        $AllowRemoteDesktop,

        [Parameter()]
        [System.Boolean]
        $AllowSimpleDevicePassword,

        [Parameter()]
        [System.String]
        $AllowSMIMEEncryptionAlgorithmNegotiation,

        [Parameter()]
        [System.Boolean]
        $AllowSMIMESoftCerts,

        [Parameter()]
        [System.Boolean]
        $AllowStorageCard,

        [Parameter()]
        [System.Boolean]
        $AllowTextMessaging,

        [Parameter()]
        [System.Boolean]
        $AllowUnsignedApplications,

        [Parameter()]
        [System.Boolean]
        $AllowUnsignedInstallationPackages,

        [Parameter()]
        [System.Boolean]
        $AllowWiFi,

        [Parameter()]
        [System.Boolean]
        $AlphanumericDevicePasswordRequired,

        [Parameter()]
        [System.String[]]
        $ApprovedApplicationList,

        [Parameter()]
        [System.Boolean]
        $AttachmentsEnabled,

        [Parameter()]
        [System.Boolean]
        $DeviceEncryptionEnabled,

        [Parameter()]
        [System.Boolean]
        $DevicePasswordEnabled,

        [Parameter()]
        [System.String]
        $DevicePasswordExpiration,

        [Parameter()]
        [System.Int32]
        $DevicePasswordHistory,

        [Parameter()]
        [System.String]
        $DevicePolicyRefreshInterval,

        [Parameter()]
        [System.Boolean]
        $IrmEnabled,

        [Parameter()]
        [System.Boolean]
        $IsDefault,

        [Parameter()]
        [System.Boolean]
        $IsDefaultPolicy,

        [Parameter()]
        [System.String]
        $MaxAttachmentSize,

        [Parameter()]
        [System.String]
        [ValidateSet('All', 'TwoWeeks', 'OneMonth', 'ThreeMonths', 'SixMonths')]
        $MaxCalendarAgeFilter,

        [Parameter()]
        [System.String]
        $MaxDevicePasswordFailedAttempts,

        [Parameter()]
        [System.String]
        [ValidateSet('All', 'OneDay', 'ThreeDays', 'OneWeek', 'TwoWeeks', 'OneMonth', 'ThreeMonths', 'SixMonths')]
        $MaxEmailAgeFilter,

        [Parameter()]
        [System.String]
        $MaxEmailBodyTruncationSize,

        [Parameter()]
        [System.String]
        $MaxEmailHTMLBodyTruncationSize,

        [Parameter()]
        [System.String]
        $MaxInactivityTimeDeviceLock,

        [Parameter()]
        [System.Int32]
        $MinDevicePasswordComplexCharacters,

        [Parameter()]
        [System.Int32]
        $MinDevicePasswordLength,

        [Parameter()]
        [System.Boolean]
        $PasswordRecoveryEnabled,

        [Parameter()]
        [System.Boolean]
        $RequireDeviceEncryption,

        [Parameter()]
        [System.Boolean]
        $RequireEncryptedSMIMEMessages,

        [Parameter()]
        [System.String]
        $RequireEncryptionSMIMEAlgorithm,

        [Parameter()]
        [System.Boolean]
        $RequireManualSyncWhenRoaming,

        [Parameter()]
        [System.String]
        $RequireSignedSMIMEAlgorithm,

        [Parameter()]
        [System.Boolean]
        $RequireSignedSMIMEMessages,

        [Parameter()]
        [System.Boolean]
        $RequireStorageCardEncryption,

        [Parameter()]
        [System.String[]]
        $UnapprovedInROMApplicationList,

        [Parameter()]
        [System.Boolean]
        $UNCAccessEnabled,

        [Parameter()]
        [System.Boolean]
        $WSSAccessEnabled,

        [Parameter(Mandatory = $true)]
        [System.String]
        $Identity,

        [Parameter()]
        [ValidateSet('Present', 'Absent')]
        [System.String]
        $Ensure = 'Present',

        [Parameter()]
        [System.Management.Automation.PSCredential]
        $Credential,

        [Parameter()]
        [System.String]
        $ApplicationId,

        [Parameter()]
        [System.String]
        $TenantId,

        [Parameter()]
        [System.String]
        $CertificateThumbprint,

        [Parameter()]
        [Switch]
        $ManagedIdentity,

        [Parameter()]
        [System.String[]]
        $AccessTokens

    )

    #Ensure the proper dependencies are installed in the current environment.
    Confirm-M365DSCDependencies

    #region Telemetry
    $ResourceName = $MyInvocation.MyCommand.ModuleName.Replace('MSFT_', '')
    $CommandName = $MyInvocation.MyCommand
    $data = Format-M365DSCTelemetryParameters -ResourceName $ResourceName `
        -CommandName $CommandName `
        -Parameters $PSBoundParameters
    Add-M365DSCTelemetryEvent -Data $data
    #endregion

    $CurrentValues = Get-TargetResource @PSBoundParameters
    $ValuesToCheck = ([Hashtable]$PSBoundParameters).Clone()

    Write-Verbose -Message "Current Values: $(Convert-M365DscHashtableToString -Hashtable $CurrentValues)"
    Write-Verbose -Message "Target Values: $(Convert-M365DscHashtableToString -Hashtable $ValuesToCheck)"

    $testResult = Test-M365DSCParameterState -CurrentValues $CurrentValues `
        -Source $($MyInvocation.MyCommand.Source) `
        -DesiredValues $PSBoundParameters `
        -ValuesToCheck $ValuesToCheck.Keys

    Write-Verbose -Message "Test-TargetResource returned $testResult"

    return $testResult
}

function Export-TargetResource
{
    [CmdletBinding()]
    [OutputType([System.String])]
    param
    (
        [Parameter()]
        [System.Management.Automation.PSCredential]
        $Credential,

        [Parameter()]
        [System.String]
        $ApplicationId,

        [Parameter()]
        [System.String]
        $TenantId,

        [Parameter()]
        [System.Management.Automation.PSCredential]
        $ApplicationSecret,

        [Parameter()]
        [System.String]
        $CertificateThumbprint,

        [Parameter()]
        [Switch]
        $ManagedIdentity,

        [Parameter()]
        [System.String[]]
        $AccessTokens
    )

    $ConnectionMode = New-M365DSCConnection -Workload 'ExchangeOnline' `
        -InboundParameters $PSBoundParameters

    Confirm-M365DSCDependencies

    #region Telemetry
    $ResourceName = $MyInvocation.MyCommand.ModuleName.Replace('MSFT_', '')
    $CommandName = $MyInvocation.MyCommand
    $data = Format-M365DSCTelemetryParameters -ResourceName $ResourceName `
        -CommandName $CommandName `
        -Parameters $PSBoundParameters
    Add-M365DSCTelemetryEvent -Data $data
    #endregion

    try
    {
        $Script:ExportMode = $true
        [array] $Script:exportedInstances = Get-ActiveSyncMailboxPolicy -ErrorAction Stop

        $i = 1
        $dscContent = ''
        if ($Script:exportedInstances.Length -eq 0)
        {
            Write-Host $Global:M365DSCEmojiGreenCheckMark
        }
        else
        {
            Write-Host "`r`n" -NoNewline
        }
        foreach ($config in $Script:exportedInstances)
        {
            $displayedKey = $config.Name
            Write-Host " |---[$i/$($Script:exportedInstances.Count)] $displayedKey" -NoNewline
            $params = @{
                Identity              = $config.Name
                Credential            = $Credential
                ApplicationId         = $ApplicationId
                TenantId              = $TenantId
                CertificateThumbprint = $CertificateThumbprint
                ManagedIdentity       = $ManagedIdentity.IsPresent
                AccessTokens          = $AccessTokens
            }

            $Results = Get-TargetResource @Params
            $Results = Update-M365DSCExportAuthenticationResults -ConnectionMode $ConnectionMode `
                -Results $Results

            $currentDSCBlock = Get-M365DSCExportContentForResource -ResourceName $ResourceName `
                -ConnectionMode $ConnectionMode `
                -ModulePath $PSScriptRoot `
                -Results $Results `
                -Credential $Credential
            $dscContent += $currentDSCBlock
            Save-M365DSCPartialExport -Content $currentDSCBlock `
                -FileName $Global:PartialExportFileName
            $i++
            Write-Host $Global:M365DSCEmojiGreenCheckMark
        }
        return $dscContent
    }
    catch
    {
        Write-Host $Global:M365DSCEmojiRedX

        New-M365DSCLogEntry -Message 'Error during Export:' `
            -Exception $_ `
            -Source $($MyInvocation.MyCommand.Source) `
            -TenantId $TenantId `
            -Credential $Credential

        return ''
    }
}