Lottie animation till webviewer fullly loaded in thunkable x

I want to apply lottie animation till web viewer fully loaded in thunkable x . pls help…

This can be done only in a complicated way and in the case of downloading the html that you created yourself. In this html using javascript, a handler is created for this event. After the handler is triggered via Firebase or a web server, you need to send a signal to the app, upon receipt of which the animation will turn off.

Can you please make a tutorial for that…if we can’t show loading when the web viewer loads the files this is not useful at all for thunkable x user then,