How to Add a correspondence type ZSAP1( Customer Statement)

Hi,

We developed a separate form for Customer statement.We need to add it as a Correspondence Type.The correspondence type name will be ZSAP1(It is like SAP13-Customer Statement).

Print Program - RFKORD11 - Script Name F140_CUS_STAT_02

Kindly advice me how to add Correspondence type & Form to that correspondence type.

Please help me it would be a great help to me.

Thanks

Supriya