Create Snapshot Definition is a screen shot of an application.
For official documentation 8.0.x : Snapshot Generation
In this page, the different logs lines corresponding to the Create Snapshot Definition is listed with functional and technical explanation of the logs that it generates.
The Loglines generated by this task is shown below
CASTMS.log.txt
Create Snapshot Definition
INF: 2016-07-25 13:16:10: starting Task Create Snapshot Definition in "cb800_test_sup_central"
INF: 2016-07-25 13:16:10: Dashboard Service "cb800_test_sup_central" saved in Dashboard Service "cb800_test_sup_central"
INF: 2016-07-25 13:16:10: System "My System" saved in Dashboard Service "cb800_test_sup_central"
INF: 2016-07-25 13:16:10: Application "Cobol" saved in Dashboard Service "cb800_test_sup_central"
INF: 2016-07-25 13:16:10: User Defined Module "Cobol full content" saved in Dashboard Service "cb800_test_sup_central"
INF: 2016-07-25 13:16:11: Task message: No Task message
INF: 2016-07-25 13:16:11: No associated log file
INF: 2016-07-25 13:16:11: ending Task Create Snapshot Definition in "cb800_test_sup_central"