Datacom provides or defines the following programs for CDC:
CDC listener program (CDCL). This program monitors the LXX in the source MUF and writes the change data to the CDC tables in the target MUF. The program runs within the target MUF address space. This program is provided with Datacom.
CDC user listener program (CDCU). This program detects, processes, and deletes committed records in the TSN and MNT tables. PowerExchange uses this program interface to capture change data.
CDC monitor program (CDCM). This program monitors the CDCL and the CDCU. The task runs within the source MUF address space. This program is provided with Datacom.