Business Partner Internet user

Hello Experts,

I have created a Person Business Partner

CALL FUNCTION 'BAPI_BUPA_CREATE_FROM_DATA'

EXPORTING

businesspartnerextern = 'PER1'

partnercategory = '1' " c_partnercategory

partnergroup = '0002' "c_partnergroup

centraldata = e_centraldata

Then assigned a role of internet user

CALL FUNCTION 'BAPI_BUPA_ROLE_ADD_2'

EXPORTING

businesspartner = 'PER1'

businesspartnerrolecategory = 'BUP005'

This all works , when i see in tcode BP and opened PER1,

In Internet user tab there is logon data and user roles , i want to create this , which function module will create it..?

This is required so that i can login to SNC

Thanks

Bijal