# 78. クエリ: "externalKey" で "Fields" を検索

「フィールド」登録手続き中に組み込まれたサードパーティの externalKey によって「フィールド」を検索します。

### <mark style="color:オレンジ;">オプション 1</mark> getFields クエリを使用する

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

```graphql
query FindFieldsByExternalKeyOption1 {
  getFields(filter: {
    fieldExternalKey: "<third_party_identificator>"
  }) {
    totalCount（合計件数）
    fields {
      uuid
      名前
      externalKey
    }
  }
}
```

{% endcode %}

### <mark style="color:オレンジ;">オプション 2</mark> getFarms クエリを使用する

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

```graphql
query FingFieldsByExternalKeyOption2 {
  getFarms {
    fields(externalKeys: ["<third_party_identificator>"]) {
      uuid
      名前
      externalKey
    }
  }
}

```

{% endcode %}


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