Integrate Payment gateway with Liferay

[krishna mohan mathakala, módosítva 9 év-val korábban]

Hi All,

I want to integrate payment gateway with liferay 6.0.6. I need to know about different payment gateway available which can be integrated with liferay.
Even I want know procedure or document or link which expains integration of payment gateway with liferay.
Any help regarding payment gateway is helpful.

Thanks In advance,