Custom Text Field for Shopify Cart and Products

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Ready to master Shopify theme development? Check out my comprehensive course here: nickdrishinski... Shopify’s cart object has a few places that allow us to customize customer orders with custom text. These include the cart ‘attributes’, ‘notes’, and individual line item ‘properties’. Today I am going to walk through the process of adding a text field to add a cart attribute to your theme. The principles here are very similar regardless of which type of text field you are trying to add to your cart. Note I am using the Dawn theme in this tutorial. Let’s get started!
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[@nickdrishinski]

🔥 My Shopify Theme Development Course is LIVE! 🔥
Ready to master Shopify theme development? Check out my comprehensive course here: nickdrishinski.com/

[@DesignerMichaelMoyson]

Nice and interesting video, you clearly know a lot about shopify development, good job! You gave me new insights on how to fix a problem :)

[@nickdrishinski]

@@DesignerMichaelMoyson thank you so much 🙏

[@michaelhirt3915]

amazing

[@nickdrishinski]

@@michaelhirt3915 thank you 🙏

[@OmerAbbas-s7r]

how can we make this field required

[@nickdrishinski]

Thanks for the comment. There's a few ways I can think about achieving this.
1. Hijack the 'add to cart' via JavaScript, and reject the request if it does not contain the text field value. (Probably the one I would choose).
2. Listen for changes to cart and write a script to check if the required field is there, if not remove it and provide a notification why
3. Listen for changes to cart and write a script to check if the required field is there and if it is not, force a modal that the user must fill out.
4. If you are on Shopify Plus, write a Shopify Function that required that field before checkout.

[@hel5376]

Thank you! How do you adjust the length of the textbox?

[@nickdrishinski]

Thanks for the comment! To adjust the width of the textbox you would just add the width to the styles. For example:
#cart_attribute input {
...
width: 150px;
}