Ruchita Vadnere

Hello ! I'm a student currently trying to learn app design and development with the help of figma and bravo studio.

Currency converter app functionality

I need  help regarding one of my projects!! I've just started working with bravo iam trying to make a currency converter app I don't understand how to take input and then turn it into different currency rates  on button click which will be displayed as output
This is the screen shot of the app design