# 66. Mutation: Fieldを保存

既存の「Field」を新しい境界および/または名前で修正するためのミューテーション。 

{% hint style="info" %}
既存の「Field」の境界を編集するには、次を使用します `registerField` ミューテーション。
{% endhint %}

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

```graphql
mutation SaveFieldSample {
  saveField(
    input: { 
      uuid: "<placeholder_of_field_uuid>"
      farmUuid: "<placeholder_of_farm_uuid>"
    	 name: "Field_name" 
    }
  ) {
    uuid
    farmUuid
    名前
    boundaryUrl
    topographyMaps {
      uuid
      fieldUuid
      status
      geoMaps {
        shortName
        url
        hexColorCodes
        classes
      }
    }
    labels {
      名前
      value
    }
  }
}
```

{% endcode %}


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