How to get a tracking details of order for AST and include tracking details in emails

functions.php

<?php
if ( class_exists( 'WC_Advanced_Shipment_Tracking_Actions' ) ) {
	
	$order_id = 123;  		
	$wc_ast_unclude_tracking_info = get_option('wc_ast_unclude_tracking_info');	
	
	$order = wc_get_order( $order_id );
	$order_status = $order->get_status();	
	
	if ( is_a( $email, 'WC_Email_Customer_Invoice' ) && isset($wc_ast_unclude_tracking_info['show_in_customer_invoice']) && $wc_ast_unclude_tracking_info['show_in_customer_invoice'] == 0){			
		return;	
	}
	
	if(isset($wc_ast_unclude_tracking_info[$order_status]) && $wc_ast_unclude_tracking_info[$order_status] == 0 && !is_a( $email, 'WC_Email_Customer_Invoice' )){
		return;
	}
	
	if ( function_exists( 'ast_get_tracking_items' ) ) {
		$tracking_items = ast_get_tracking_items($order_id);
		wc_get_template( 'emails/tracking-info.php', array( 'tracking_items' => $tracking_items, 'order_id'=> $order_id ), 'woocommerce-advanced-shipment-tracking/', wc_advanced_shipment_tracking()->get_plugin_path() . '/templates/' );
	} 
}
?>