Powershell script on ServiceNow : check only service account is exist? if not then create new account

Job ID: 32127576

Budget: $30 – $250 USD

$50 is the Fix Price) DO NOT APPLY IF YOU CANNOT DO IT FOR $50
Need help with creating PowerShell scripting in Servicenow to check if the service account exists or not?
and creating a new service account if it doesn't exist.

That's it. $75 is the Fix Price (DO NOT APPLY IF YOU CANNOT DO IT FOR $75)
Related categories: Powershell ServiceNow