# Set Field Input as Required

Designate a Line Item field input as required to ensure users provide the necessary information.

<figure><img src="/files/YAOJ6rUFaRBfGCzAsCan" alt=""><figcaption></figcaption></figure>

### Example: Setting a Field as Required

Fields designated as required are marked with a red line on the left side of the input box.

<figure><img src="/files/YAOJ6rUFaRBfGCzAsCan" alt=""><figcaption></figcaption></figure>

If a required field value is not entered before saving, an error message will be displayed as shown below.

<figure><img src="/files/PV2QBH1v3IFLwojFn6B2" alt=""><figcaption></figcaption></figure>


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