> 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/nor/api-dokumentasjon/oversikt-over-geopard-api-foresporsler/56.-last-opp-bilder.md).

# 56. Last opp bilder

Opplasting av et bilde via S3 inneholder 2 trinn:

1. **Be om den forhåndssignerte lenken for direkte opplasting.** 

Som input: 

* fileExtention - jpeg ELLER jpg ELLER png, 
* farmUuid - gårdens uuid,
* fieldUuid - markens uuid,
* noteUuid - notatets uuid for direkte lenke til det opplastede bildet,
* commentUuid - kommentarets uuid for direkte lenke til det opplastede bildet (valgfritt). 

Som output:

* uuid - den forventede uuid etter opplasting og behandling,
* farmUuid - samme som input,
* fieldUuid - samme som input,
* noteUuid - samme som input,
* commentUuid - samme som input (hvis eksisterte),
* s3Url - URL-en som brukes for å laste opp bildet,
* s3Fields - attributter som skal sendes i opplastingsskjemaet for bildet.

Detaljene om hvordan du bruker s3Url og s3Fields er beskrevet i andre trinn. 

Attributtene er gyldige i kun 60 minutter for å laste opp bildet.

{% code overflow="wrap" lineNumbers="true" %}

```graphql
mutation generatePresignedPostPhotoData {
  generatePresignedPostPhotoData(input:{
    farmUuid: "89196056-61e5-4bce-b676-d488d611a829" 
    fieldUuid: "586a2ef2-03e4-4715-846c-07a2f0cb3016"
    noteUuid: "4a94da1c-f655-4f17-961a-4b0323e5129c"
    fileExtention: jpeg
    
  } ) {
    uuid
    noteUuid
    fieldUuid
    farmUuid
    s3Url
    s3Fields
  }
}
```

{% endcode %}

2. **Send et lokalt bilde til s3Url med forhåndsdefinerte skjemaattributter fra s3Fields.**

{% code overflow="wrap" lineNumbers="true" %}

```bash
curl --location --request POST '<s3Url>' \\
--form 'key="<value_in_s3Fields>"' \\
--form 'AWSAccessKeyId="<value_in_s3Fields>"' \\
--form 'x-amz-security-token="<value_in_s3Fields>"' \\
--form 'policy="<value_in_s3Fields>"' \\
--form 'signature="<value_in_s3Fields>"' \\
--form 'file=@"<local_file_path>"'
```

{% endcode %}

Varsler om behandlingen vil leveres via abonnementsmekanismen beskrevet i GraphQL -> Samples -> [1. Abonnement: Hent hendelser](/geopard-tutorials/nor/api-dokumentasjon/oversikt-over-geopard-api-foresporsler/1.-abonnement-hent-hendelser.md).

{% hint style="info" %}
Bruk ‘Accept-Encoding’:’gzip, deflate, br’.
{% endhint %}


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