# 55. Upload zip files (over 6 MB)

As a technical limitation of the AWS cloud provider, uploading files larger than 6 MB has to be done in 2 steps:

#### **1. Request the pre-signed link for further direct upload.**  <a href="#step1" id="step1"></a>

As input:&#x20;

* `fileType` - `yield` OR `soil` OR `applied` OR `adapt` OR `boundary`,&#x20;
* `farmUuid` (optional) - uuid of the farm to import the file.&#x20;

As output:

* `uuid` - the expected uuid after the upload and processing,
* `farmUuid` - the same as input,
* `fileType` - the same as input,
* `s3Url` - the URL used to upload the file,
* `s3Fields` - attributes to pass in the upload file form.

The details of how to use `s3Url` and `s3Fields` are described in the second step.&#x20;

The attributes are valid for only 60 mins to upload the file.

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

```graphql
mutation GeneratePresignedPostFileData {
  generatePresignedPostFileData(input:{
    fileType: applied
    farmUuid: "8bba5132-3a92-4ce1-8699-220e78ad68bd"
  } ) {
    uuid
    farmUuid
    fileType
    s3Url
    s3Fields
  }
}

```

{% endcode %}

#### **2. Send a local file to s3Url with predefined form attributes from s3Fields.**  <a href="#step2" id="step2"></a>

{% 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 %}

Notifications about the processing will be delivered via the subscription mechanism described in\
&#x20;[1. Subscription: Get events](/geopard-tutorials/api-docs/geopard-api-requests-overview/1.-subscription-get-events.md).

{% hint style="info" %}
The response header includes a `Etag` header, which appears as for example `Etag: "6fd3e76992738357ab50039f2c60024e"`. This value is subsequently used in GraphQL [query getPlatformContext](/geopard-tutorials/api-docs/geopard-api-requests-overview/83.-query-collect-platform-context.md) to monitor the processing progress, as well as the association with "Field", "AsAppliedDataset", "YieldDataset", and "SoilDataset" entities.
{% endhint %}

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


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