librenms-librenms/html/includes/graphs/device/screenos_sessions.inc.php

<?php

$file = rrd_name($device['hostname'], 'screenos_sessions');

$rrd_list[0]['filename'] = $file;
$rrd_list[0]['descr']    = 'Maxiumum';
$rrd_list[0]['ds']       = 'max';

$rrd_list[1]['filename'] = $file;
$rrd_list[1]['descr']    = 'Allocated';
$rrd_list[1]['ds']       = 'allocate';

$rrd_list[2]['filename'] = $file;
$rrd_list[2]['descr']    = 'Failed';
$rrd_list[2]['ds']       = 'failed';

if ($_GET['debug']) {
    print_r($rrd_list);
}

$colours   = 'mixed';
$nototal   = 1;
$unit_text = 'Sessions';
$scale_min = '0';

require 'includes/graphs/generic_multi_line.inc.php';