(optional) if machine detection was requested in sync mode, the result will be specified here. Possible values are the same as the async counterpart: Machine Detection Complete
| Name | Type | Description | Notes |
|---|---|---|---|
| value | String | Possible values are answering-machine, human, silence, timeout, or error. | [optional] |
| duration | String | The amount of time it took to determine the result. | [optional] |