UBB.threads PHP Forum Software Community Forums Resources and Customizing How Do I? How do I make a content window?

Thanks

On the custom islands I have this code already

/* PHP CODE HERE */

/* BODY HERE */
$body = <<<EOF
EOF;

Where do i put the html code?
I can not understan as those instructions are not clear to me... plus i saw a message that putting wrong code here can mess the whole posrtal...

can i use UBB code too? Would it go in the same place?