SAP Function SUSR_USER_READ -

Parameter Reference Type Length Default Optional Text
READ_UCLASS CHAR01 C 1 SPACE X Character Field Length 1
USER_NAME USR02-BNAME C 12
WITH_TEXT 0 X

Parameter Reference Type Length Text
ALIAS BAPIALIAS u 40 Internet User Alias
REF_USER BAPIREFUS u 12 User name in user master record
UCLASS BAPIUCLASS u 45
USER_ADDRESS USADDRESS u 300
USER_DEFAULTS USDEFAULTS u 70
USER_LOGONDATA USLOGOND u 339

Parameter Reference Length Optional Text
UCLASSSYS BAPIUCLASSSYS 55 X
USER_PARAMETERS USTYP_T_PARAMETERS 0 X

Exception Text
INTERNAL_ERROR
USER_NAME_NOT_EXISTS User Does Not Exist