<br>Select method of integration. "Sync Automatically" will add the delivery events to the Google calendar, which is set in the "Calendar to be used" field, automatically when a customer places an order. Also, an "Add to Calendar" button is added on the Delivery Calendar page in admin to Sync past orders. <br>"Sync Manually" will add an "Add to Google Calendar" button in emails received by admin and New customer order.<br>"Disabled" will disable the integration with Google Calendar.<br>Note: Import of the events will work manually using .ics link.<br><b><i>Upgrade to <a href="https://www.tychesoftwares.com/store/premium-plugins/order-delivery-date-for-woocommerce-pro-21/?utm_source=ordddupgradetopro&utm_medium=link&utm_campaign=OrderDeliveryDateLite" target="_blank">Order Delivery Date Pro for WooCommerce</a> to enable the setting.</i></b>