daniDLL

\Magento\Framework\App\ObjectManager::getInstance()
    ->get(\Psr\Log\LoggerInterface::class)->info('message');

jlnarvaez

<?php
$objectManager = \Magento\Framework\App\ObjectManager::getInstance();

// PRODUCT
$product = $objectManager->create('\Magento\Catalog\Model\ProductRepository')->get(/* SKU Product */);
// ORDER
$order = $objectManager->create('\Magento\Sales\Model\OrderRepository')->get(/*ID Order*/);

jlnarvaez

<?php

/**
* This snippet is useful to debug in production environments. 
* DON'T USE THIS CODE TO LOG IN YOUR MODULES.
* To create a custom log check Magento official documentation 
* (https://devdocs.magento.com/guides/v2.4/config-guide/log/custom-logger-handler.html)
*/

// Custom Log for Magento v2.3 or <