SyncDueDate

type SyncDueDate = 
  | {
  date?: string;
  isRecurring?: boolean;
  lang?: string;
  string?: string;
  timezone?: string | null;
}
  | null;

Due date for Sync API create/update operations. Unlike the REST API DueDate (which has required fields on responses), this type represents the input shape where all fields are optional.