> For the complete documentation index, see [llms.txt](https://docs.geopard.tech/geopard-tutorials/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.geopard.tech/geopard-tutorials/ltu/api-dokumentacija/geopard-api-uzklausu-apzvalga/1.-prenumerata-gauti-ivykius.md).

# 1. Prenumerata: gauti įvykius

Sekti prenumeratas kai `ĮTERPTI`/`PAKEISTI`/`PAŠALINTI` veiksmai įvyksta su „Farma“, „Laukas“, „FieldSatelliteImage“, „RasterAnalysisMap“, „VectorAnalysisMap“ ir kitais subjektai.

Prenumeratos mechanizmas yra pastatytas ant MQTT ir WebSocket. Mūsų rekomendacija pradėti integraciją perskaičius [AWS AppSync prenumeratos straipsnį](https://docs.aws.amazon.com/appsync/latest/devguide/real-time-websocket-client.html). 

{% hint style="info" %}
Prenumeratos įvykiai siunčiami iš karto, kai įvykis įvyko GeoPard serverinėje dalyje.
{% endhint %}

{% hint style="info" %}
Kiekvienas prenumeratos įvykis turi unikalų identifikatorių pavadintą `uuid`, kuris yra naudingas filtruojant apdorotus ir praleistus įvykius prašytus iš [82. Užklausa: Atkurti prenumeratos įvykius](/geopard-tutorials/ltu/api-dokumentacija/geopard-api-uzklausu-apzvalga/82.-uzklausa-atkurti-prenumeratos-ivykius.md).
{% endhint %}

{% code lineNumbers="true" %}

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

{% endcode %}


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