Japanese phrase
___の前に知らせてもらえますか？ ___ no mae ni shi ra se te mo ra e ma su ka
Meaning
Would you let me know before ___?
When to use it
Asks someone to give prior notice before doing something. The wording is polite, practical, and useful when advance warning would help with planning.
Example dialogue
予定の変更の前に知らせてもらえますか？ yo tei no hen kō no mae ni shi ra se te mo ra e ma su ka
Would you let me know before changing the schedule?
はい、変更する前に連絡します。 ha i hen kō su ru mae ni ren raku shi ma su
Sure, I will contact you before making the change.