Report teams tags

Connect-MgGraph -NoWelcome -TenantId $TenantId -AppId $AppId -CertificateThumbprint $Thumbprint
# Necessary scopes: Directory.Read.All, TeamworkTag.Read.All, Channel.ReadBasic.All, Team.ReadBasic.All

param(
    [string] $TenantId = "Your tenant identifier",
    [string] $AppId = ""
)
 
# Identifier for the app holding the necessary permissions
# Thumbprint for an X.509 certificate uploaded to the app
$Thumbprint = "F79286DB88C21491110109A0222348FACF694CBD"
 
Connect-MgGraph -NoWelcome -TenantId $TenantId -AppId $AppId -CertificateThumbprint $Thumbprint
# Necessary scopes: Directory.Read.All, TeamworkTag.Read.All, Channel.ReadBasic.All, Team.ReadBasic.All
Write-Host "Finding Teams..."
[array]$Teams = Get-MgTeam -All | Sort-Object DisplayName
$Report = [System.Collections.Generic.List[Object]]::new()
 
ForEach ($Team in $Teams) {
  Write-Host "Processing team" $Team.DisplayName
  [array]$TeamTags = Get-MgTeamTag -TeamId $Team.Id -ErrorAction SilentlyContinue
  If ($TeamTags) { # The team has some tags
     ForEach ($Tag in $TeamTags) {
       $TagMembers = (Get-MgTeamTagMember -TeamId $Team.Id -TeamWorkTagId $Tag.Id) | Select-Object -ExpandProperty DisplayName
       $ReportLine = [PSCustomObject][Ordered]@{
          Team        = $Team.DisplayName
          TeamId      = $Team.Id
          Tag         = $Tag.DisplayName
          Description = $Tag.Description
          Members     = $TagMembers -Join ", "
          TagId       = $Tag.Id }
       $Report.Add($ReportLine)
      } #End Foreach Tag
   } #End If TeamTags
} #End ForEach team
 
[array]$TeamsWithTags = $Report.TeamId | Sort-Object -Unique
[array]$UniqueTags = $Report.TagId | Sort-Object -Unique
Write-Host "Total teams:      " $Teams.Count
Write-Host "Teams with tags:  " $TeamsWithTags.Count
Write-Host "Total tags:       " $UniqueTags.Count
 
$Report | Select-Object Team, Tag, Description, Members | Out-GridView