What will the value of the source filed be for events generated by this scripts input?

Consider the following stanza in inputs.conf:

What will the value of the source filed be for events generated by this scripts input?
A . /opt/splunk/ecc/apps/search/bin/liscer.sh
B . unknown
C . liscer
D . liscer.sh

Answer: A

Explanation:

https://docs.splunk.com/Documentation/Splunk/8.2.2/Admin/Inputsconf

-Scroll down to source = <string>

*Default: the input file path