Need Help with very simple Project ASAP :(

HI everyone!

i need to do sound a buzzer when the bluetooth connection between two HC-05 is lost

i have:
02 Arduino UNO boards
2 HC-05 (Master and Slave mode setted)
01 buzzer
01 protoboard
Dupont Wires

Thanks a lot!

Sorry for my bad English

i need to do sound a buzzer when the bluetooth connection between two HC-05 is lost

How would you know that I quit listening to you?

When you can answer that question, you'll see that the coding is really trivial.