icinga-powershell-framework/lib/provider/users/Get-IcingaUsers.psm1

function Get-IcingaUsers()
{
    param (
        [array]$Username
    );

    if ($null -eq $Username) {
        return Get-LocalUser;
    } else {
        [array]$UserInformation = @();
        foreach ($UniqueUser in $Username) {
            $UserInformation += (Get-LocalUser -Name $UniqueUser);
        }
    }

    return $UserInformation;
}