markekraus

<#
.SYNOPSIS
    Invites an external user or list of external users to a SharePoint site.
.DESCRIPTION
    Invites an external user or list of external users to a SharePoint site. 
    External users can be granted View, Edit, or Owner permissions within 
    the site. A custom e-mail message can be included or the invitation email 
    can be suppressed.
.PARAMETER SiteURL
    URL string of the SharePoint site to which the user(s) will be invited.