To install the extension

1. Log in to the ftp, and then go to Magento 2 root folder (generally present under the public_html folder).
2. Create a new folder named code under the app folder; under the code folder, create a folder named Ced.
   • Upload and extract the Otto Integration extension file inside the app/code/Ced directory.
   • Map the SDK with the Magento root composer.json file.
   • Add the below line under ‘files’
     “app/code/Ced/Otto/Lib/otto/autoload.php”
   • Add the below line under autoload-dev -> PS4
     “Otto\\”: “app/code/Ced/Otto/Lib/otto/src/Otto”
   • Now run the  following upgrade command in cmd 
     • composer dump
       
     • php bin/magento setup:upgrade
     • php bin/magento setup:di:compile
     • php bin/magento setup:static-content:deploy -f
     • php bin/magento indexer:reindex
     • php bin/magento cache:clean
     • php bin/magento cache:flush