How do someone start TOEFL essay

Will someone still need to introduce himself before writing TOEFL essay?.
Please, give me the format.

TOEFL listening lectures: Why is herring healthier for us than tuna?

Introduction of Topic. Your preference.

Reason 1 + example & details.
Reason 2+ example & details.
Reason 3 + example and details (optional).

Conclusion (state the topic and your preference) "I prefer this blah blah because of the above mentioned reasons.

You mean one is going to state the topic before analysing it

Ofcourse that is what the introduction is about.

What of good day Mr. Chairman, panel of judges and so on?