Follow the instructions to make the app compatible with a Shopify Onlinestore 2.0 theme.
Check if you are using an OS 2.0 Theme. If you don’t know whether you are using an OS 2.0 theme, you will always find a green badge on Shopify Themes. This indicates whether you are using a standard theme or a 2.0 theme.
Publish the OS 2.0 Theme and go to the shopify app section on the left. Click on the Textbox App and open it up.
The App Dashboard is opened. On the right top corner you can see the button „New Text field“.
Click this button to create your first Textbox.
Name your Textbox unique. You can later change the name or the settings below. First click now on the save button.
After you have saved your new Textbox, this will show in the App Dashboard:
Leave the App Section and go to your Onlinestore settings. Click on „Customize“.
Add the Textbox App Block to your OS 2.0 Theme. Visit a product page and add the block: