tnw_salesforce_order_shipment_save *
It looks like deprecated feature, it's not called anywhere.
TNW_Salesforce_Block_Sales_Order_Status_New_Form
Mage::dispatchEvent('tnw_salesforce_order_shipment_save', array('shipment' => $_shipment));
How to use this event:
Several steps are involved into utilizing this event:
config.xml
a listener should be added for this event
a listener should point to a Magento Observer module and a method in that observer
Magento Observer
holds a method where you can add your custom logic
Example Config
<?xml version="1.0"?>
<config>
<global>
<events>
<tnw_salesforce_order_shipment_save>
<observers>
<tnw_salesforce_order_shipment_save>
<class>tnw_salesforce/observer</class>
<method>orderShipmentSave</method>
</tnw_salesforce_order_shipment_save>
</observers>
</tnw_salesforce_order_shipment_save>
</events>
</global>
</config>Example Observer
<?php
/**
* Class TNW_Salesforce_Model_Observer
*/
class TNW_Salesforce_Model_Observer
{
public function orderShipmentSave(Varien_Event_Observer $observer) {
/**
* Magento order object
* @var Mage_Sales_Model_Order_Shipment $_shipment
*/
$_shipment = $observer->getData('shipment');
// Your custom code
}
}