resend.onEmailScheduled handles email.scheduled after Resend accepts a future delivery time.
automations/record-resend-schedule.automation.ts
account selects the binding.
Trigger data
Returns the shared Resend outbound event fields withevent.type: "email.scheduled":
event preserves the original Resend envelope. The event confirms scheduling, not delivery. Use emailId with update or cancellation actions while the email remains pending.