Am trying to create a channel in a page - Web Content with Dynamic Data. I have

Am trying to create a channel in a page - Web Content with Dynamic Data. I have tried choosing the context both i,e Default or Process Model. In either case when i try to use an expression, i dont get the process information at all. I get only Functions and Rules&Constants tab.
MAy i know what needs to be done? I guess something with security. But i am new into this....

OriginalPostID-60821

OriginalPostID-60821