The diagram above shows all components built using bTalk to facilitate a request and response into SAP using ColdFusion (CFML) and Custom Tag (C++ DLL). bTalk generates the following:

1. The C++ Proxy DLL (handles the transaction between app server and SAP R/3 through the BAPI/RFC.
2. The ColdFusion pages (which acts as a handler and display templates)
3. The HTML form (the HTML form for entering input parameters)