Laravel Override Config

override.php

// Get config loader
$loader = $this->app['config']->getLoader();

// Get environment name
$env = $this->app['config']->getEnvironment();

// Add package namespace with path set base on your requirement
$loader->addNamespace('basset',__DIR__.'/../config/basset');

// Load package override config file
$configs = $loader->load($env,'config','basset');

// Override value
$this->app['config']->set('basset::config',$configs);