EnvelopidstringRequiredUnique identifier for the webhook event.create_timestring<DateTimeWithZone>RequiredTime when the webhook event was created.Formatdate-timeevent_versionstringOptionalVersion of the event schema.summarystringOptionalBrief description of the event.resource_versionstringOptionalVersion of the resource schema.linksobject<Link>[]OptionalHATEOAS links for the webhook event.Link properties3 propertieshrefstringRequiredURL for the action.FormaturirelstringRequiredRelation type of the link.methodstringRequiredHTTP method to use with the URL.resource_typeenum<ResourceType>RequiredType of resource that triggered the webhook.Value in"subscription-alert" | "wallet" | "wallet-transaction" | "credit-note" | "invoice" | "subscription"event_typeenum<EventType>RequiredType of event that occurred in webhooks.Value in"USAGE-BILLING.SUBSCRIPTION-ALERT.TRIGGERED" | "USAGE-BILLING.WALLET.CREATED" | "USAGE-BILLING.WALLET.UPDATED" | "USAGE-BILLING.WALLET.NET-BALANCE-DEPLETED" | "USAGE-BILLING.WALLET.TERMINATED" | "USAGE-BILLING.WALLET-TRANSACTION.CREATED" | "USAGE-BILLING.WALLET-TRANSACTION.UPDATED" | "USAGE-BILLING.CREDIT-NOTE.CREATED" | "USAGE-BILLING.CREDIT-NOTE.REFUND.FAILED" | "USAGE-BILLING.INVOICE.CREATED" | "USAGE-BILLING.INVOICE.PAYMENT.OVERDUE" | "USAGE-BILLING.INVOICE.PAYMENT.SUCCEEDED" | "USAGE-BILLING.INVOICE.PAYMENT.FAILED" | "USAGE-BILLING.SUBSCRIPTION.UPDATED" | "USAGE-BILLING.SUBSCRIPTION.TERMINATED" | "USAGE-BILLING.SUBSCRIPTION.TRIAL.ENDED"