To enable PayPal as a payment method for bookings follow BookIt Calendar > Settings > Payments and Enable PayPal.
You need to provide a PayPal email & PayPal mode
When submitting the booking, select PayPal as a payment method - mark the option Pay now with PayPal.
After clicking on Book Now customers will get a request confirmation and will be redirected to PayPal.
The customer will need to log in to PayPal and proceed to checkout.
If the payment completed successfully there will be a popup notification with the purchase details.
On the admin panel, the payment status will be marked as Complete.