Available from API version 2026-05-27.curie onwards.
Triggered when an invoice is voided. A voiding invoice is issued that offsets the original; its ID is provided as voiding_invoice in the context. Limited to usage and prepayment invoices.
ID of the offsetting (Storno) invoice issued to reverse the original. References the original via the voided_invoice field on the invoice resource. Starts with inv_.