internal/scripts/preimport.ps1

# Add all things you want to run before importing the main code
        $EWSDLL = (($(Get-ItemProperty -ErrorAction SilentlyContinue -Path Registry::$(Get-ChildItem -ErrorAction SilentlyContinue -Path 'Registry::HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Exchange\Web Services' | Sort-Object Name -Descending | Select-Object -First 1 -ExpandProperty Name)).'Install Directory') + "Microsoft.Exchange.WebServices.dll")
        if (Test-Path $EWSDLL)
        {
            Import-Module $EWSDLL
        }
        else
        {
            "$(get-date -format yyyyMMddHHmmss):"
            "This script requires the EWS Managed API 1.2 or later."
            "Please download and install the current version of the EWS Managed API from"
            "http://go.microsoft.com/fwlink/?LinkId=255472"
            ""
            "Exiting Script."
            $exception = New-Object System.Exception ("Managed Api missing")
            throw $exception
        }