# 13. Mutation: Opret "Farm"

Opret "Farm".

{% hint style="info" %}
Det er muligt at knytte din egen "Farm" unikke identifikation via `externalKey` attributten. Attributten er valgfri.
{% endhint %}

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

```graphql
mutation CreateFarmSample {
  createFarm(input:{
    name: "Mutation Farm"
    externalKey: "<third_party_indentificator>"
  } ) {
    uuid
    userUuid
    navn
    farmOwnership
    externalKey
  }
}
```

{% endcode %}


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