Register in the link to use the cli, in the following url
[<https://poetri.co/SignUp>](<https://poetri.co/SignUp>)
You will see the web editor, Let's explain the principal seccions
Click on create function, a function is a usual module export of javascript.
Let's make a simple example of function that multiply two numbres:
If you don't know about arrow functions and you want learn go to this linkg: https://www.w3schools.com/js/js_arrow_function.asp
Save your function, in save button, and next deploy your function in "play button", up to the right