Edit server code of the Container Template
On publishing the Container Template, the Html div layer is rendered almost automatically, but you can edit the server side program code of the Container Template.
Go to the Container Template editor page, and open the layout editor.And click the "Server Code" tab. Then following Server Code editor appears.
In this page, you can edit the Program Code of this Container Template.
About the usage of the code editor and debugger, please take a look at Edit server code of the Top Template. The Top Template has same function and the usage is almost same.