aplikasiku is your scaffolding application name , ext5-applikasiku is your web application folder
the process will be looked like this ...
Sencha Cmd v5.1.2.52
[INF] Processing Build Descriptor : default
[INF] Loading app json manifest...
[INF] Appending content to d:\wamp\www\ext5-aplikasiku/bootstrap.js
[INF] Writing content to d:\wamp\www\ext5-aplikasiku/bootstrap.json








