Adding custom component does not work

I have done a lot of research but still could not add a custom component. I tried the example in official docs (to modify behavior of "input" element and it is working fine). https://grapesjs.com/docs/modules/Components.html#define-new-component But the above example is for modifying existing component ("input"). I am trying to figure out how to create a new component. Following is my code, but it is not working (I am not printing anything in console when I drag it in the form). - note that I used the official example and changed it a bit to create this custom component. Please help on what I...