How to get extension configuration value in Magento 2?

For getting the extension configuration value, please use the below code:How to get extension configuration value in Magento 2?

$objectManager = \Magento\Framework\App\ObjectManager::getInstance();
$configuration_value = $objectManager->get('Magento\Framework\App\Config\ScopeConfigInterface')->getValue('group/field/value');
How to get extension configuration value in Magento 2?expoundsofttechsolution g