ANST_UPLOAD_TRACE is a standard SAP function module that performs Upload trace from an ecxel functionality. This is available within standard R/3 SAP systems depending on version and release level.
Below are the pattern details for this FM showing its interface including any import, export and tables parameters. There is also a list of Exceptions and for your convenience any standard documentation available. All this information and more can also be viewed if you enter the function module name ANST_UPLOAD_TRACE into the relevant SAP transaction such as SE37 or SE80.
CALL FUNCTION 'ANST_UPLOAD_TRACE' "Upload trace from an ecxel
EXPORTING
lv_confirm = " i
IMPORTING
lv_conf = " i
. " ANST_UPLOAD_TRACE