$credential=Get-Credential -UserName admin@mmydlarz.onmicrosoft.com -Message 'heh'
$username=$credential.UserName
$password=$credential.GetNetworkCredential().Password
$securePassword = ConvertTo-SecureString $password -AsPlainText -Force

### Input Parameters
$url = 'https://mmydlarz.sharepoint.com/'
$usrName = 'pmostowiec'
$email = '[email protected]'

### References
# Specified the paths where the dll's are located.
Add-Type -Path 'c:\Program Files\Common Files\microsoft shared\Web Server Extensions\15\ISAPI\Microsoft.SharePoint.Client.dll'
Add-Type -Path 'c:\Program Files\Common Files\microsoft shared\Web Server Extensions\15\ISAPI\Microsoft.SharePoint.Client.Runtime.dll'


# Connect to SharePoint Online and get ClientContext object.
$clientContext = New-Object Microsoft.SharePoint.Client.ClientContext($url)
$credentials = New-Object Microsoft.SharePoint.Client.SharePointOnlineCredentials($username, $securePassword)
$clientContext.Credentials = $credentials

# Get the SharePoint web
$web=$clientContext.Web;
$clientContext.Load($web)
$clientContext.ExecuteQuery()

$web.Title


#Get the user from the $web
$usr = $Web.EnsureUser('[email protected]')
$clientContext.Load($usr)
$clientContext.ExecuteQuery()

$usr.Id