SAP Function CALL_SCREEN_LOGON - Calling logon screen

Parameter Reference Type Length Default Optional Text
I_AUTHO LRF_WKQU-AUTHO C 1 user authority to change the main menu
I_B_MNU_SCR LRF_WKQU-MMENU C 20 user main menu
I_DOCNUM LRF_WKQU-DOCNUM N 10 user document number
I_EXVER LRF_WKQU-EXVER N 2 user exit version
I_PERNR LRF_WKQU-PERNR N 8 user personal number
I_PRESENT LRF_WKQU-DEVTY C 10 user presentation type
I_SORT_VALUE LRF_WKQU-SORSQ N 2 user sort value
I_USER_PRF LRF_WKQU-QUEUE C 10 user queue
I_WHS_ID LRF_WKQU-LGNUM C 3 warehouse id

Parameter Reference Type Length Text
O_AUTHO LRF_WKQU-AUTHO C 1
O_B_MNU_SCR LRF_WKQU-MMENU C 20
O_DOCNUM LRF_WKQU-DOCNUM N 10
O_EXVER LRF_WKQU-EXVER N 2
O_PERNR LRF_WKQU-PERNR N 8
O_PRESENT LRF_WKQU-DEVTY C 10
O_SCREEN_FCODE SYST-UCOMM C 70
O_SORT_VALUE LRF_WKQU-SORSQ N 2
O_USER_PRF LRF_WKQU-QUEUE C 10
O_WHS_ID LRF_WKQU-LGNUM C 3

Exception Text
FAIL_IN_PHYSICAL_SCREEN_NUMBER failed to find physical screen number

Functionality
This function selects user profile data from the table LRF_WKQU andpasses them over to different global variables, which are used by allradio frequency transactions.
The user also has the possibility to update the current queue (profile)and work according to the new profile.