SYSUSERID Automatic Macro Variable

Contains the user ID or login of the current SAS process.
Type: Automatic macro variable (read only)

Example: Using SYSUSERID to Display the User ID for the Current SAS Process

The following code, when submitted from the current SAS process, writes the user ID or login for the current SAS process to the SAS log:
%put &sysuserid;
A user ID, such as the following, is written to the SAS log:
MyUserid