***

id: 2dd1c12e-4558-43ff-886d-fcf0ecb8b600
title: Relay.Calling.DetectResult
slug: /python/reference/calling/results/detect
description: The result object that is returned when detecting a call.
max-toc-depth: 3
----------------

[relay-event]: /docs/server-sdk/v2/python/reference/event

## Relay.Calling.DetectResult

This object returned from one of the *synchronous* detect methods that represents the final result of a detector.

### Properties

| Property     | Type                         | Description                                     |
| ------------ | ---------------------------- | ----------------------------------------------- |
| `successful` | boolean                      | Whether the detector has finished successfully. |
| `event`      | [`Relay.Event`][relay-event] | Last event that completed the operation.        |
| `type`       | string                       | The detector type: `fax`, `machine` or `digit`. |
| `result`     | string                       | The final detector result.                      |