{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://jambonz.org/schema/callbacks/listen",
  "title": "Listen ActionHook Payload",
  "description": "Payload sent to the listen verb's actionHook when the listen verb completes.",
  "allOf": [
    { "$ref": "base" }
  ],
  "type": "object",
  "properties": {
    "dial_call_duration": {
      "type": "integer",
      "description": "Duration of the listen session in seconds, present if recording was active."
    },
    "digits": {
      "type": "string",
      "description": "DTMF digit that ended the listen, present if finishOnKey was configured and pressed."
    }
  },
  "additionalProperties": true
}