> 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/smallbuilder-line-items/builder/builder-setup-steps/setup-line-item-editor/set-field-input-to-read-only.md).

# Set Field Input to Read-Only

By default, Line Item fields accept input except for formula fields. However, fields intended for data display purposes should be set to Read-Only.

<figure><img src="/files/neWIOqeVCj3n04gfPQUZ" alt=""><figcaption></figcaption></figure>

### Example of Setting a Field to Read-Only

<figure><img src="/files/li17nHrQEQVJmKwd5hum" alt=""><figcaption></figcaption></figure>

### Conditional Read-Only

Fields can be set to read-only based on specific conditions through the Advanced Read-Only Settings in the field’s advanced settings menu. For more details, refer to the Set Read-Only Based on Specific Conditions guide.