How to use php-amazon-pa-wrapper

gistfile1.aw

<?php

define('ROOT',dirname(__FILE__));
define('DS',DIRECTORY_SEPARATOR);
ini_set('display_errors','On');
error_reporting(-1);

function debug($var) {
    
    echo '<pre>';
    print_r($var);
    echo '</pre>';
    
}

set_include_path(get_include_path().PATH_SEPARATOR.ROOT.DS.'php-amazon-pa-wrapper');

require_once 'Amazon.php';
use AmazonProductAdvertising\Amazon as Amazon;
use AmazonProductAdvertising\Amazon\Exception as Amazon_Exception;

//set autoload lib
Amazon::set_autoload();

/*
 * check hash_hmac compatibility
 */
if( Amazon::checkCompatHash() ) {
    
    try{
        
        /*
         * set amazon accounts
         */
        $amazon = Amazon::getInstance();
        $amazon->setAccountIds('your_aws_key','your_secret_key','your_tag_key');
        
        /*
         * set operations
         */
        $amazon->request()->detail('0596157134');
        $amazon->request()->setParams(array(            
            'ResponseGroup' => 'Large'
        ));
        
        $amazon->response()->proceed($amazon->request()->send());
        debug($amazon->response()->getItems());
        
    }catch(Amazon_Exception $e){
        echo $e->getMessage();
    }
    
}

how to use this can you explain..i am new to php..my requirement is to get amazon product imported to my wordpress website

What is your_tag_key?