# Import CSOM libraries for the SP upload part of the script
Add-Type -Path “C:Program FilesCommon Filesmicrosoft sharedWeb Server Extensions16ISAPIMicrosoft.SharePoint.Client.dll”
Add-Type -Path “C:Program FilesCommon Filesmicrosoft sharedWeb Server Extensions16ISAPIMicrosoft.SharePoint.Client.Runtime.dll”

# Specify connection details
$SiteUrl = "https://xx.sharepoint.com/sites/site"
$UserName = "xxx@xxx.onmicrosoft.com"
$SecurePassword = ConvertTo-SecureString "****" -AsPlainText -Force

# Bind to site collection
$ClientContext = New-Object Microsoft.SharePoint.Client.ClientContext($SiteUrl)
$credentials = New-Object Microsoft.SharePoint.Client.SharePointOnlineCredentials($UserName, $SecurePassword)
$ClientContext.Credentials = $credentials
$ClientContext.ExecuteQuery()

# From the SC, get the first web (i.e. the one implicit in /)
$rootWeb = $ClientContext.Web
$ClientContext.Load($rootWeb)
$ClientContext.ExecuteQuery()

$rootWeb.Title
$rootWeb.MasterUrl
$rootWeb.RequestAccessEmail