in your .env file you need to add those values
PAYMENTSENSE_PAC_ENDPOINT="" // You Endpoint without the https://
PAYMENTSENSE_PAC_API="" // The Api key
PAYMENTSENSE_HOUSE_ID="" // House id
PAYMENTSENSE_PAC_USER="" // The User name can be anything
php artisan v:p --force // select the package number
Once live make sure to disable the demo mode in the configuration files