Connect to Azure Account

Connect-AzAccount

Create the Azure AD application

$appName = "MyTestingApp" $app = New-AzADApplication -DisplayName $appName -IdentifierUris "https://myapp.com"

Add a client secret

$secret = New-AzADAppCredential -ApplicationId $app.ApplicationId -EndDate (Get-Date).AddYears(1)

Define the permission ID for Mail.Send

$permissionId = "a0e0c2c0-6b4c-4c98-bcd8-15e7995d8f2b" # Mail.Send permission ID

Add the Mail.Send permission to the application

$resourceId = "00000003-0000-0000-c000-000000000000