PHP code for supercontainer

[erialc]

I'm trying to get a site up using custom web publishing (cwp) and I need to add a supercontainer for user to upload images.

I've found an example elsewhere on the web which says the it should be put in an

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I've changed the URL path, plus the field and name to my relevant source, but I don't know what to do with the "$php echo" section of code. Can anyone give me any help with PHP code for showing a supercontainer?

Thanks.