Spanish phrase
Avísame cuando haya ~.
Meaning
Tell me when ___ happens.
When to use it
Asks someone to report back when an event occurs. Often used for updates on progress or new information and usually informal but can be neutrally polite.
Example dialogue
Avísame cuando haya novedades.
Tell me when there are any developments.
Claro, te aviso.
Okay, I'll tell you.