It can be achieved with the help of an observer.
Follow the below steps to create an extension PHPCodez_Keeplogin for this task.
1) Declare a module.
<?xml version="1.0"?> <config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:Module/etc/module.xsd"> <module name="PHPCodez_Keeplogin" setup_version="0.0.1" /> </config>
2) Register a module. Continue reading Magento 2 Force Customer Login