MagentoAPI.php

<?php
$proxy = new SoapClient($host.$path);
  		$session = $proxy->login($user,$pass);
			try {
				$order = $proxy->salesOrderInfo($session,$increment_id,array(),'Test Addition',1);	
				try {
					$shipmentId = $proxy->salesOrderShipmentCreate($session,$increment_id);
					try { 
						$proxy->salesOrderShipmentAddTrack($session, $shipmentId, $carrier, 'FedEx Ground', $tracking_id);
						echo 'Tracking created for '.$increment_id.'<br>';
					} catch (Exception $e) {
						echo $e->getMessage() . '<br>';
					}
				}catch (Exception $e) {
					echo $e->getMessage() .'<br>';
				}
			} catch (Exception $e) {
				echo $e->getMessage().'<br>';
			}