Add missing originalStartTime field to Event model for recurring event

CHANGELOG.md

@@ -803,3 +803,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Changed
 - **BREAKING**: `DeltaStream` now also supports `view=expanded`, `exclude_types`, and `include_types`, as well as any arbitrary query string param. `Delta::startStream` now takes an object as a second argument for query string params, instead of an `exclude_types` array
+
+### Added
+- Add missing `originalStartTime` field to `Event` model for recurring event instances

src/models/events.ts

@@ -132,6 +132,11 @@ export interface Event {
    * Master event id if recurring events.
    */
   masterEventId?: string;
+  /**
+ * The original start time of the event, in Unix timestamp format. 
+ * This field is present only if the event is an instance of a recurring event.
+ */
+  originalStartTime?: number;
   /**
    * Notetaker meeting bot settings
    */