This is a developer level documentation and support is not provided for customizations. You can learn about action and filter hooks here. If you are not sure what to do, consider hiring a developer.
Filter – class-wceb-assets.php
easy_booking_home_url
easy_booking_frontend_parameters
Filter – wceb-core-functions.php
easy_booking_get_order_statuses
Filter – wceb-misc-functions.php
easy_booking_allowed_product_types
Action – class-wceb-assets.php
easy_booking_enqueue_additional_scripts
Action – woocommerce-easy-booking.php
easy_booking_after_init