Reference

Execute an asynchronous CDP flow
perform_with_chrome()	Execute an asynchronous CDP flow with Chrome
Promises utility functions Functions to wait for promises
hold()	Hold while an asynchronous task runs
wait()	Return a promise after a delay
timeout()	Set a timeout
Utility functions Functions useful to handle chrome results
write_base64()	write base64 result to file
Find chrome Useful if you need help finding your chrome binary
find_chrome_binary()	Find Google Chrome binary in the system
Chrome browser class Functions to deal with running chrome
Chrome	Launch Chromium or Chrome
Chrome DevTools Protocol classes Functions to play with the protocol
CDPRemote	Declare a remote application implementing the Chrome Debugging Protocol
CDPSession()	Connect to a remote instance implementing the Chrome Debugging Protocol
EventEmitter Class to deal with events
EventEmitter	R6 class to emit some event