# Technology alerts

## Triggers

Technology alerts are triggered on two cases, representing the two alert types you can set:

There are two types of technology alerts:

* **technology\_added**: when a new technology is detected on a company website
* **technology\_removed**: when a technology is no longer detected on a company website

On the json payload, the **`type`** property allows you to identify the type of alert that has been triggered:

```javascript
{
  "event_id": 458325,
  "timestamp": "2020-04-23T12:25:32.209Z",
  "type": "technology_removed", // <<<< This is where you can identify the alert type
  "alert_name": "Hotjar deleted", 
  "event_verbose": "Wine Central removed Hotjar",
  "domain": "winecentral.co.nz",
  
  ...
```

## Default properties

Both technology\_added and technology\_removed alert types send the same 3 event properties under the "event\_properties" key:

| key                  | type   | options                                                                                  |
| -------------------- | ------ | ---------------------------------------------------------------------------------------- |
| technology\_name     | string | Limited to the technologies listed [here](https://app.purplesonar.com/help/technologies) |
| technology\_domain   | string | Limited to the technologies listed [here](https://app.purplesonar.com/help/technologies) |
| technology\_category | string | Limited to the technologies listed [here](https://app.purplesonar.com/help/technologies) |

### Technology added

```javascript
"event_properties": {
	"technology_name": "Mailchimp"
	"technology_domain": "https://mailchimp.com"
	"technology_category": "marketing"
}
```

### Technology removed

```javascript
"event_properties": {
	"technology_name": "Mailchimp"
	"technology_domain": "https://mailchimp.com"
	"technology_category": "marketing"
}
```

## Payload example

```javascript
{
  "event_id": 458325,
  "timestamp": "2020-04-23T12:25:32.209Z",
  "type": "technology_removed",
  "alert_name": "Hotjar deleted",
  "event_verbose": "Wine Central removed Hotjar",
  "domain": "winecentral.co.nz",
  "event_properties": {
    "technology_name": "Hotjar",
    "technology_domain": "https://www.hotjar.com/",
    "technology_category": "Analytics"
  },
  "company_properties": {
    "company_name": "Wine Central",
    "alexa_rank": null,
    "country": "New Zealand",
    "location": "Albany, Auckland, New Zealand",
    "industry": "Food & Beverages",
    "employees_range": "1-10",
    "social_linkedin_url": "linkedin.com/company/wine-central",
    "social_facebook_url": "/4winecentral",
    "social_twitter_url": null,
    "year_founded": 2013
  }
}
```

## Tracked technologies

For a list of tracked technologies and categories, you might refer to our technologies list in the app: <https://app.purplesonar.com/help/technologies>


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