There are several ways to access the field extractor.
Which option automatically identifies the data type, source type, and sample event?
A. Event Actions > Extract Fields
B. Fields sidebar > Extract New Fields
C. Settings > Field Extractions > New Field Extraction
D. Settings > Field Extractions > Open Field Extractor
Reference: https://docs.splunk.com/Documentation/Splunk/8.0.4/Knowledge/Managesearch-timefieldextractions