Function modules for logging in
anybody knows the function modules that are called when a user logs onto the abap engine ???
you can check this your self also. Go to SE80... click on "Repository Information System"... Open the drop down "Program Library" under Object section... Double Click on the selection "Function Module".
Search for the FMs available for different types of Logon with search term "Logon".
For e.g., few are provided here:
SUSF (Function Group)
SUU1 (Function Group)