I need a help in props.conf and transforms.conf

Hi, I am new to splunk. Need some help in log filtering. I have below example log: p 12 02:04:55 xxx,[DEFAULT_LOG] 2019-09-12 02:04:52,066 xxxxxxxxxxxxx Sep 12 02:04:55 xxx,[AUDIT_LOG] 2019-09-12 02:04:51,309 xxxxxxxxx Sep 12 02:04:55 xxx,[DEFAULT_LOG] 2019-09-12 02:04:51,904 xxxxxxx p 12 02:04:55 xxx,[AUTH_LOG] 2019-09-12 02:04:52,066 xxxxxxxxxxx I need to get only AUDIT_LOG and AUTH_LOG entry. How to write props and transforms confic file for this. Thanks