create custom module in vtiger 6

Question

Hello there I\'m new in vtiger. Now what i want to know is how to create costum module without using existing module designer or other same stuff. For example i want to create a

Answer 1

I found some interesting tutorial in making entity module this is the link. http://community.vtiger.com/help/vtigercrm/developers/extensions/examples/entity-module.html and it is working.