***

id: a8fd2761-ca87-4116-85dc-0426f87c544c
title: DetectAction
slug: /ruby/reference/calling/actions/detect
description: The DetectAction object is returned when staring a detect operation on a call.
max-toc-depth: 3
----------------

[call]: /docs/server-sdk/v2/ruby/reference/calling/call#detect

[relay-calling-detectresult]: /docs/server-sdk/v2/ruby/reference/calling/results/detect

[relay-calling-stopresult]: /docs/server-sdk/v2/ruby/reference/calling/results/stop

# Relay::Calling::DetectAction

This object returned from the *asynchronous* [`detect!`][call] methods that represents a running detector on the call.

## Properties

| Property    | Type                                                         | Description                                   |
| :---------- | :----------------------------------------------------------- | :-------------------------------------------- |
| `result`    | [`Relay::Calling::DetectResult`][relay-calling-detectresult] | Final detector result.                        |
| `completed` | boolean                                                      | Whether the action has finished.              |
| `payload`   | object                                                       | Payload sent to Relay to start this detector. |
| `controlId` | string                                                       | UUID to identify the detector.                |

## Methods

### stop

Stop the action immediately.

**Parameters**

None

**Returns**

[`Relay::Calling::StopResult`][relay-calling-stopresult] - A `StopResult` object with a `successful` property.

**Examples**

Detect a machine on the current call. Stop the action after 5 seconds.

```ruby
action = call.detect!(type: :machine)
sleep 5
action.stop
```