This is a setting example where you set up an inquiry link on the Shopify order details page, and when the user transitions from there, the order number and order items are automatically added (a text field is automatically added to the form). This is expected to reduce the effort required for customers to enter information and prevent input errors.
An example of a setting in the theme "Dawn" where a form guide is placed on the order details screen and when an inquiry is made from there, the order number and order item are automatically linked.

[Setup Method 1] In the theme editor, display the order details screen on the "Legacy Customer Account > Customer Orders" page, add a customized Liquid section, and insert the code.

[Setting Method 2] Display "Pages > contact" in the theme editor, add a customized Liquid section, and insert the code.

