typedef cblt_rtncode (*PFI_IDP_EXIT)(mf_uns32      exit_point,
                                     IDP_EXIT_INFO *exit_info);
 
               	 | 1 | External data value modification - input parameter | 
| 2 | Internal data value modification - input parameter | 
| 3 | Unmapped named external input parameter | 
| 4 | End of input request processing | 
| 5 | Start of response processing | 
| 6 | Internal data value modification - output parameter | 
| 7 | External data value modification - output parameter | 
| 8 | End of response processing | 
| 9 | End of request processing | 
Depends on the exit point.