session.php file contains settings related to user and operator sessions. This document provides a list of configuration items available in the file, allowing you to modify them as necessary.
/config/production/session.php will exist after installation and should be used to update the configuration, as per Updating Config Files.
By default operators can be logged in on multiple devices at once, however you may want to let them only use one device at a time, logging them out of others immediately. If so, set this value to