Problems with BPM

Hi,

I am working in the following scenery: File->BPM->File.

For this scenery I am using the document http://weblogs.sdn.sap.com/pub/wlg/1822. [original link is broken] [original link is broken] [original link is broken] [original link is broken] [original link is broken] [original link is broken]

I executed all the steps that are described in the document above. My doubt is in the transaction sxmb_moni only appears my outbound interface sending data for my BPM. This message appears as success. Why doesn't the message of my BPM appear sending data for my inbound interface?

Another subject is when I execute the transaction sxmb_moni_bpe is asked to select a work item. What is work item? Which work item should select?

Thanks,

Sérgio