Japanese phrase
着いたら___てもらえますか？ tsu i ta ra ___ te mo ra e ma su ka
Meaning
Could you ___ when you get there?
When to use it
A polite request for an action at the time of arrival. It often helps people coordinate plans without sounding demanding.
Example dialogue
会場に着いたら知らせてもらえますか？ kai jō ni tsu i ta ra shi ra se te mo ra e ma su ka
Could you let me know when you get to the venue?
もちろんです。 mo chi ro n de su
Of course.