onDeleteEmailTemplate event
The onDeleteEmailTemplate event is triggered when a user tries to delete an email template in the Administration Area. The event handler should accept a single parameter - the email template object (System_EmailTemplate class instance). You can throw an exception in the handler code, if you do not want a specific email template to be deleted.
Event handler example:
public function subscribeEvents()
{
Backend::$events->addEvent('onDeleteEmailTemplate', $this, 'process_template_deletion');
}
public function process_template_deletion($template)
{
if ($template->code == 'payment_notificaiton')
throw new Phpr_ApplicationException('You cannot delete this email template.');
}Next: cms:onExtendPageModel event
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