# 1. Naročnina: pridobi dogodke

Spremljaj naročnine, ko `VSTAVI`/`SPREMENI`/`ODSTRANI` dejanja se zgodijo z "Farm", "Field", "FieldSatelliteImage", "RasterAnalysisMap", "VectorAnalysisMap" in drugimi entitetami.

Mehanizem naročnin je zgrajen na osnovi MQTT in WebSocket. Naše priporočilo je, da začnete integracijo z branjem [članka AWS AppSync o naročninah](https://docs.aws.amazon.com/appsync/latest/devguide/real-time-websocket-client.html). 

{% hint style="info" %}
Dogodki naročnin so poslani takoj, ko se dogodek zgodi v GeoPard strežniku.
{% endhint %}

{% hint style="info" %}
Vsak dogodek naročnine ima edinstveno identifikacijo, imenovano `uuid`, kar je uporabno za filtriranje obdelanih in izpuščenih dogodkov, zahtevanih iz [82. Poizvedba: Obnovi dogodke naročnin](/geopard-tutorials/svn/api-dokumentacija/pregled-zahtevkov-geopard-api/82.-mutacija-obnovi-dogodke-narocnine.md).
{% endhint %}

{% code lineNumbers="true" %}

```graphql
subscription FollowPlatformEvent {
  followPlatformEvent(userUuid: "<placeholder_of_user_uuid>") {
    uuid
    userUuid
    action
    nodePath {
      entity
      uuid
    }
  }
}
```

{% endcode %}


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