Adding a feed database to ArcSight (on the example of AlienVault OTX)

Hello, I think from the title it is already clear what I need your help with.

I'm relatively new to this field and ArcSight, so I'm really hoping you can

point me to some text or video resources detailing how to connect a feed

base to ArcSight using AlienVault as an example.

Thank you in advance