go by
US /ɡoʊ baɪ/
UK /ɡoʊ baɪ/

1.
2.
to be known or called by a particular name
:
•
He prefers to go by his middle name, James.
•
What name does she go by?
3.
to follow or be guided by (a rule, principle, or information)
:
•
We should always go by the rules.
•
Don't just go by what he says; check the facts yourself.