> For the complete documentation index, see [llms.txt](https://help.smallbuilder.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.smallbuilder.com/ko/smallbuilder-line-items/builder/builder-setup-steps/setup-line-item-editor/required.md).

# 필수 입력으로 지정하기

라인 아이템 필드(열)의 입력을 필수로 처리합니다.

<figure><img src="https://3985481653-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FA2fSsDo5KsIVkUoDIV1b%2Fuploads%2Fgit-blob-4b808c1afaeed52bd1cbfef71d26a0bd5af3b6d3%2F%ED%95%84%EC%88%98_%EC%84%A4%EC%A0%95_%EC%98%88%EC%8B%9C.png?alt=media" alt=""><figcaption></figcaption></figure>

#### 필수 설정 예시

필수로 설정된 필드(열)은 입력란 왼쪽에 붉은 선으로 표시됩니다.

<figure><img src="https://3985481653-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FA2fSsDo5KsIVkUoDIV1b%2Fuploads%2Fgit-blob-4bd30b0e96b28058611f6040b3722df450b9ffff%2F%ED%95%84%EC%88%98_%EC%98%88%EC%8B%9C1.png?alt=media" alt=""><figcaption></figcaption></figure>

필수 필드(열) 값을 입력하지 않고 저장하는 경우, 아래와 같이 오류가 발생합니다.

<figure><img src="https://3985481653-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FA2fSsDo5KsIVkUoDIV1b%2Fuploads%2Fgit-blob-c72027fa9b3d5bb4a3eb77ea64adf1450b42c451%2F%ED%95%84%EC%88%98_%EC%98%88%EC%8B%9C2.png?alt=media" alt=""><figcaption></figcaption></figure>