> 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/fin/api-dokumentaatio/geopard-api-pyyntojen-yleiskatsaus/14.-mutaatio-luo-lohko-tai-muokkaa-olemassa-olevan-lohkon-rajaa-valinnaisilla-tunnisteilla.md).

# 14. Mutaatio: Luo "lohko" tai muokkaa olemassa olevan lohkon rajaa (valinnaisilla tunnisteilla)

Luo "Pelto" tai muokkaa olemassa olevan pellon rajaa.

{% hint style="danger" %}
"Pelto" `geojson` attribuutin on oltava WGS84 (EPSG:4326) -projektion mukainen, alle 1040ac / 420ha, ja noudatettava [määrittelyä](https://geojson.org/).

Tuetut `geojson` tyypit ovat `MultiPolygon` ja `Polygon`.
{% endhint %}

Käyttötiedot:

* Attribuutti `tunnisteet` on kartta, jossa avain (tunnisteen nimi) ja arvo (tunnisteen arvo) -pareja.
* Oman "Tilan" (Farm) yksilöllisen tunnisteen linkitys attribuutin kautta on mahdollista. Attribuutti on valinnainen.
* Attribuutit `status` ja `statusMessage` korostaa rekisteröinnin tulosta. " `"status"=INVALID` vastaus tarkoittaa, että "Pellon" pyyntöä on tutkittava. Lisätietoja tuloksista löytyy `statusMessage`.&#x20;

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

```graphql
mutation CreateFieldSample {
  registerField(
    syöte: {
      name: "Mutation Field"
      farmUuid: "<farm_uuid_could_be_from_request_7>"
      creationType: GEOJSON
      externalKey: "<third_party_identificator>"
      geojson: "{\"type\":\"MultiPolygon\",\"coordinates\":[[[[-113.5393998,51.1831965],[-113.5391578,51.1832762],[-113.5335114,51.1832724],[-113.5328941,51.1832686],[-113.5324221,51.1831927],[-113.5320832,51.1830486],[-113.5317503,51.182821],[-113.5314901,51.1826047],[-113.5312904,51.1824264],[-113.5309696,51.1823013],[-113.5307034,51.1822637],[-113.5303706,51.1823168],[-113.5300317,51.1823889],[-113.5298017,51.1824344],[-113.5294991,51.1824231],[-113.5292026,51.1823586],[-113.5287789,51.1822675],[-113.5284824,51.1821537],[-113.5282827,51.1820285],[-113.5282343,51.1818502],[-113.5281979,51.1816036],[-113.5280998,51.1789079],[-113.5280331,51.1764057],[-113.5281207,51.1762546],[-113.5282577,51.1761516],[-113.5284275,51.1760863],[-113.528674,51.1760657],[-113.5289096,51.1760554],[-113.5373048,51.1760602],[-113.5375787,51.1760671],[-113.5377704,51.1761083],[-113.5379348,51.1762388],[-113.5379841,51.1764071],[-113.5379567,51.1769634],[-113.5379512,51.1770527],[-113.5393097,51.1770767],[-113.5394631,51.1771248],[-113.5395453,51.1772244],[-113.5395508,51.1773618],[-113.5395398,51.1797725],[-113.5395452,51.1826365],[-113.539539,51.1829293],[-113.5394999,51.1830779],[-113.5393998,51.1831965]]]]}"
      labels: "{\"label1\":\"value1\",\"label2\":\"value2\"}"
    }
  ) {
    uuid
    farmUuid
    nimi
    rajaUrl
    status
    statusMessage
    creationType
    etiketit {
      nimi
      arvo
    }
    externalKey
  }
}
```

{% endcode %}

Muokkaa **Muokkaa** olemassa olevaa "Peltoa", lisää `uuid` attribuutti pyyntöön. Ero on attribuutissa, `uuid` attribuutti joka määrittää "Pellon" rajan muuttamista varten.

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

```graphql
mutation CreateFieldSample {
  registerField(
    syöte: {
      uuid: "<placeholder_of_field_uuid>"
      nimi: "Pelto_nimi"
      farmUuid: "<placeholder_of_farm_uuid>"
      creationType: GEOJSON
      geojson: "{\"type\":\"MultiPolygon\",\"coordinates\":[[[[-113.5393998,51.1831965],[-113.5391578,51.1832762],[-113.5335114,51.1832724],[-113.5328941,51.1832686],[-113.5324221,51.1831927],[-113.5320832,51.1830486],[-113.5317503,51.182821],[-113.5314901,51.1826047],[-113.5312904,51.1824264],[-113.5309696,51.1823013],[-113.5307034,51.1822637],[-113.5303706,51.1823168],[-113.5300317,51.1823889],[-113.5298017,51.1824344],[-113.5294991,51.1824231],[-113.5292026,51.1823586],[-113.5287789,51.1822675],[-113.5284824,51.1821537],[-113.5282827,51.1820285],[-113.5282343,51.1818502],[-113.5281979,51.1816036],[-113.5280998,51.1789079],[-113.5280331,51.1764057],[-113.5281207,51.1762546],[-113.5282577,51.1761516],[-113.5284275,51.1760863],[-113.528674,51.1760657],[-113.5289096,51.1760554],[-113.5373048,51.1760602],[-113.5375787,51.1760671],[-113.5377704,51.1761083],[-113.5379348,51.1762388],[-113.5379841,51.1764071],[-113.5379567,51.1769634],[-113.5379512,51.1770527],[-113.5393097,51.1770767],[-113.5394631,51.1771248],[-113.5395453,51.1772244],[-113.5395508,51.1773618],[-113.5395398,51.1797725],[-113.5395452,51.1826365],[-113.539539,51.1829293],[-113.5394999,51.1830779],[-113.5393998,51.1831965]]]]}"
    }
  ) {
    uuid
    farmUuid
    nimi
    rajaUrl
    status
    statusMessage
    creationType
  }
}
```

{% endcode %}


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