AWK fields and `if` sample

This is an AWK fields and `if` sample:

cat logs/user_agent/user_agent.log | awk 'BEGIN { FS = "\t" }; { if ($1 == "1234") print $2 }' > user_agent_pc.txt

References:
https://www.gnu.org/software/gawk/manual/html_node/Field-Separators.html
http://www.thegeekstuff.com/2010/02/awk-conditional-statements/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+TheGeekStuff+(The+Geek+Stuff)