Sandbox Secret-Enter your paypal sandbox secret id.
Enable/Disable– If this box is checked then it will enable advanced credit and debit card payment.
3D secure-If this option is enabled then while payment checkout you’ll need to verify.
Invoice Prefix– Enter the preferred prefix for invoice you want to show after billing.
Disable debit and credit card– If this box is checked then you’ll not get the option of paying by debit and credit card at checkout.
Debug log– We recommend using this for debugging purposes only and deleting the logs when finished.
Vendors configuring Paypal account
From the vendor dashboard navigate to the store setting tab and from here go to billing. Choose PayPal mass pay from the payment method. The vendor should also need to have a separate PayPal account and a separate PayPal email address to continue with the process