This video shows you how to setup alerts on critical event signatures in custom application logs using Logging Analytics.
For more details, see:
LiveLab: https://apexapps.oracle.com/pls/apex/...
Create an alarm - https://docs.oracle.com/en-us/iaas/Co...
Manage alarms - https://docs.oracle.com/en-us/iaas/Co...
Manage detection rule - https://docs.oracle.com/en-us/iaas/lo...
Detection rules to capture events and alerts - https://docs.oracle.com/en-us/iaas/lo...