How to add some additional fields to EKEvent
问题 One solution could be: Creating a new model EKEventExt and add a One-to-One relationship between them, I'm not sure whether it's doable, since EKEventExt is stored in my one sqlite and EKEvent is stored in eventstore. 回答1: It would be possible to append custom fields to calendar formats such as iCal (like x-my-field ), there is no EKEvent property like .customFields etc. Saying this, unfortunately it's not possible to store your custom data in any fields. It would be possible to create your