> 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/dnk/api-dokumentation/overblik-over-geopard-api-anmodninger/56.-upload-fotos.md).

# 56. Upload fotos

Upload af et foto via S3 består af 2 trin:

1. **Anmod om det forunderskrevne link for at kunne uploade direkte.** 

Som input: 

* fileExtention - jpeg ELLER jpg ELLER png, 
* farmUuid - gårdens uuid,
* fieldUuid - markens uuid,
* noteUuid - notens uuid for det direkte link til det uploadede foto,
* commentUuid - kommentarens uuid for det direkte link til det uploadede foto (valgfrit). 

Som output:

* uuid - den forventede uuid efter upload og behandling,
* farmUuid - det samme som input,
* fieldUuid - det samme som input,
* noteUuid - det samme som input,
* commentUuid - det samme som input (hvis det eksisterede),
* s3Url - den URL der bruges til at uploade fotoet,
* s3Fields - attributter der skal med i upload-formularen for fotoet.

Detaljerne om hvordan man bruger s3Url og s3Fields er beskrevet i det andet trin. 

Attributterne er kun gyldige i 60 min til upload af fotoet.

{% 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 foto til s3Url med de foruddefinerede formularattributter 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 %}

Underretninger om behandlingen leveres via abonnements‑mekanismen beskrevet i GraphQL -> Samples -> [1. Abonnement: Hent hændelser](/geopard-tutorials/dnk/api-dokumentation/overblik-over-geopard-api-anmodninger/1.-abonnement-hent-haendelser.md).

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


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