User profile parameters can be maintained in SU3.
Use function module SUSR_USER_PARAMETERS_GET to fetch the parameters set in SAP user profile. Below program retrieves the parameters set in the SAP user profile.
TYPE-POOLS: ustyp.
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*& Data Declaration
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DATA: gt_parameters TYPE ustyp_t_parameters,
gwa_parameters TYPE ustyp_parameters.
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*& start-of-selection
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START-OF-SELECTION.
CALL FUNCTION 'SUSR_USER_PARAMETERS_GET'
EXPORTING
user_name = sy-uname
with_text = 'X'
TABLES
user_parameters = gt_parameters
EXCEPTIONS
user_name_not_exist = 1
OTHERS = 2.
IF sy-subrc <> 0.
MESSAGE ID sy-msgid TYPE sy-msgty NUMBER sy-msgno
WITH sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4.
ENDIF.
LOOP AT gt_parameters INTO gwa_parameters.
WRITE:/ gwa_parameters.
ENDLOOP.
The same information is available in SAP table “USR05 – User Master Parameter ID”.