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$Setting = Get-AzureADObjectSetting -TargetObjectId $GroupId -TargetType Groups

     if ($Setting -eq $null)
     {
          Write-Host "`t`tCreating new policy"
          $Template1 = Get-AzureADDirectorySettingTemplate | where -Property Id -Value "08d542b9-071f-4e16-94b0-74abb372e3d9" -EQ
          $SettingCopy = $Template1.CreateDirectorySetting()
          $SettingCopy["AllowToAddGuests"]=$True
          New-AzureADObjectSetting -TargetType Groups -TargetObjectId $GroupId -DirectorySetting $SettingCopy -ErrorAction SilentlyContinue -ErrorVariable SetPolicyError
     }

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function Send-CorpSharePointGetRequest
{
    Param(
        [Parameter(Mandatory=$true)]
        [string]$Url,
        [Parameter(Mandatory=$true)]
        [string]$UserName,
        [Parameter(Mandatory=$true)]
        [System.Security.SecureString]$Password,
        [Parameter(Mandatory=$true)]

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function Send-CorpSharePointPostRequest
{
    Param(
        [Parameter(Mandatory=$true)]
        [string]$Url,
        [Parameter(Mandatory=$true)]
        [string]$UserName,
        [Parameter(Mandatory=$true)]
        [System.Security.SecureString]$Password,
        [Parameter(Mandatory=$true)]

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function Get-CorpMicrosoftGraphAccessToken
{
    Param(
        [Parameter(Mandatory=$true)]
        [string]$TenantId,
        [Parameter(Mandatory=$true)]
        [string]$ClientId,
        [Parameter(Mandatory=$true)]
        [string]$ClientSecret
    )

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function Send-CorpMicrosoftGraphPostRequest
{
    Param(
        [Parameter(Mandatory=$true)]
        [string]$Domain,
        [Parameter(Mandatory=$true)]
        [string]$AppId,
        [Parameter(Mandatory=$true)]
        [string]$AppSecret,
        [Parameter(Mandatory=$true)]

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function Get-CorpMicrosoft365GroupAlias
{
    Param(
        [Parameter(Mandatory=$true)]
        [string]$Alias
    )

    $AliasFound = $false
    $Retries = 0
    $UniqueAlias = $Alias

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# Time in UTC
$StartTime = Get-Date "23.08.2022 10:15:00"

# Set timezone
$TimeZone = [System.TimeZoneInfo]::FindSystemTimeZoneById("W. Europe Standard Time")

# Get time in local timezone
$StartTimeLocal = [System.TimeZoneInfo]::ConvertTimeFromUtc($StartTime, $TimeZone)

Write-Output "Start: $($StartTime) - Start, local: $($StartTimeLocal) - Timezone: $($TimeZone.DisplayName)"

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# Connect to the site
Connect-PnPOnline -Url "https://contoso.sharepoint.com/sites/Project101"

# Temporary disable setting to allow access to the property bag
Set-PnPSite -DenyAndAddCustomizePages $false

# Set value in property bag
Set-PnPPropertyBagValue -Key "TeamifyHidden" -Value "TRUE"

# Re-enable setting to keep recommended security level

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$SiteUrl = "https://contoso.sharepoint.com/sites/Project101"

# Connect to SPO using a interactive login
Connect-PnPOnline -Url $SiteUrl

# Invoke request to the SPO REST API
$Body = "{'siteUrl': '$($SiteUrl)'}"
Invoke-PnPSPRestMethod -Method Post -Url "/_api/GroupSiteManager/HideTeamifyPrompt" -Content $Body -Raw

# Expected response: {"odata.null":true}

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Connect-PnPOnline -Url https://contoso.sharepoint.com/sites/project101
$Web = Get-PnPWeb -Includes NextStepsFirstRunEnabled
$Web.NextStepsFirstRunEnabled = $false
$Web.Update()
Invoke-PnPQuery