Command to trigger a mid-call webhook
OptionalfallbackFallback webhook URL used when the primary webhook URL fails. A failed request is re-sent to this URL immediately. After repeated consecutive failures of the primary URL, requests are sent only here until the primary URL recovers. See Timeouts and failover in the Webhooks section for the authoritative algorithm.
URL of the webhook endpoint to send the mid-call event to.
Name for this webhook event. When triggered, the webhook request's event property will contain this name prepended with call.webhook.. For example, if webhookName is set to \"my.custom.event\", the event will be delivered as \"call.webhook.my.custom.event\".
Triggers a mid-call webhook to the application backend, allowing it to return a new set of SVAML commands that control the remainder of the call flow. This is a blocking command — execution pauses until a response is received from the webhook endpoint. The next command in the sequence runs only after the backend responds. Webhook requests use a 5-second timeout. If a
fallbackUrlis provided, a failed request is re-sent to it — see Timeouts and failover in the Webhooks section for the authoritative algorithm.