How to insert openfire Group?

Dear all,

hi, I am using Openfire+Spark, and I have my own database Table to save Group informatioin.

And I see openfire tables such like ofGroup, ofGroupUser,ofRosterGroups,ofGroupProp

But How Can I put my own Group to those Tables???

I want set defalut Group for all user.

How Can I do it?

Waiting for you.

Thanks