Private/Assert-NSPEntraPairingTenant.ps1
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function Assert-NSPEntraPairingTenant { <# .SYNOPSIS Returns the Graph session's tenant ID, or throws if it is not the expected tenant. #> [CmdletBinding()] [OutputType([string])] param([Parameter(Mandatory)][guid]$ExpectedTenantId) $organizations = @((Invoke-NSPGraphRequest -Uri 'organization?$select=id')['value'] | Where-Object { $null -ne $_ }) if ($organizations.Count -ne 1) { throw "Graph returned $($organizations.Count) organizations; expected one." } $tenantId = [string]$organizations[0]['id'] if ($tenantId -ne [string]$ExpectedTenantId) { throw "The Graph session is in tenant $tenantId, not $ExpectedTenantId. Nothing was read. Run: Connect-NSPEntraPairingGraph -TenantId '$ExpectedTenantId'" } $tenantId } |