For discussing the development and usage of Checkout UI extensions, post-purchase extensions, web pixels, Customer Accounts UI extensions, and POS UI extensions
want to build a checkout ui app, i just want to install on my site,i don't hosting and public to shopify app store, how can i apply the app on my live site?
In your partner dashboard find the app you want to install. On the app Overview page click the green Choose distribution button. Choose Custom distribution then continue by the clicking Select. This will allow you to select which single store you want to install on and generate a link.