Creating module on vTiger 5.2.0

I can't find documentation for creating modules 开发者_高级运维in vTiger. Where can I find doc. Please share with link.

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http://wiki.vtiger.com/index.php/Creating_New_Module

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I have also used this software and it works very well. Other than that reading around the vtlib functionality to massage new components into place is advised. :)

https://www.vtiger.com/crm-utilities/vtdziner-11-beta/