Post the Transaction on Flow Type basis (like MM1200+ or MM1120- . . .).

Hi,

I want to post the Transaction on Flow Type Basis (like MM1200+ or MM1120- . . .).

Is there any T-Code for the same (in TBB1, there  is no option to post on Flow Type basis) . . .

Plz guide . . .

Regards,

Jai