The procedure for setting partner functions:

Step 1
Vendor Account Group
IMG->LOGISTICS GENERAL->BUSINESS PARTNER->VENDOR->CONTROL ->DEFINE
ACCOUNT GROUPS AND FIELD SELECTION

Step 2
Defining Partner  Schemas
IMG->MATERIALS MANAGEMENT->PURCHASING->PARTNER -> DETERMINATION -
>PARNER SETTINGS IN VENDOR MASTER RECORD
->DEFINE PARTNER SCHEMAS

Step 3
Assign Partner Schema
IMG->MATERIAL MANAGEMENT->PURCHASING->PARTNER DETERMINATION->PARTNER 
SETTINGS IN VENDOR MASTER RECORD->DEFINE PARTNER SCHEMA
„«  THEN ASSIGN PARTNER SCHEMA

Step 4
Define  Permissible Partner Role Per Account Group
IMG->MATERIAL MANAGEMENT->PURCHASING->PARTNER DETERMINATION -
>PARTNER ROLES ->DEFINE PERMISSION PARTNER ROLES

If you want a partner schema for your own document type then define your partner schema and assign to document type using the below mentioned path.

IMG->MATERIAL MANAGEMENT->PURCHASING->PARTNER ->DETERMINATION -
>PARTNER SETTINGS IN PURCHASING DOCUMENTS ->DEFINE PERMISSION 
PARTNER SCHEMAS

And then
ASSIGN PARTNER SCHEMAS TO DOCUMENT TYPE

Once you have this configuration then you change your vendor in easy access menu (XK02-select partner function) define the partner roles.

SAP MM Tips by: Sheena

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