The Customizable Products add-on allows you to add several options and fields to customize products. The add-on has a text field, checkbox, or options group that can be used to personalize products.
There is a 'Placeholder' field in the text field settings that you can use to guide your buyers on the input and/or format of the customization text.
TIP: Use this with the Gift Wrap add-on so your customers can easily send gifts.
How to Change Placeholder Text
In Shopify admin, click Online store.
Select your Debutify Shopify theme and click on Customize.
Click on Customizable Products to reveal the blocks.
Click on Text Field.
In the Placeholder field, add text to guide your buyers on the input and/or format e.g. YYYY/MM/DD for dates.
Click Save to apply the changes.