I use OpenCart 2.1.0.1 There are events in this engine, when I create an order I connect to it, but nothing happens, why?

public function install() { $this->load->model('extension/event'); $this->model_extension_event->addEvent('create_order', 'post.order.add', 'shipping/mymodule/update_order'); } public function update_order($order_id){ // Load order data $this->load->model('checkout/order'); $orderData = $this->model_checkout_order->getOrder($order_id); print_r($orderData); die; } public function uninstall() { $this->load->model('extension/event'); $this->model_extension_event->deleteEvent('create_order'); }

I need to perform a specific action when creating an order. How to do it? and why doesn't "post.order.add" work ?

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