App builders use code pages to create and run custom scripts or UI using code like HTML, CSS, or JavaScript. The code is added to an app in a way that app users can use, like a button, hyperlink, or formula URL field.
Learn more about building code pages and get more detail in Extending Quickbase.
Create a code page
- In App settings, add a new page. 
- Select Code page, and then select Create. 
- Add a page name, including a file extension like .html or .js. 
 Quickbase displays pages as plain text if a file extension isn't in the page name.
 We recommend using a name without spaces.
- Add content to the page, and then save your page. 
 After you save, you're taken to the list of the pages for the app.
Link to a code page
- On the list of pages for an app (App settings > Pages), find the page to link to. 
- Select the Preview this page icon  , in the last column of the list. , in the last column of the list.
 This opens a preview of the page in a new tab.
- Copy the URL.