How to perform 'Async To Uppercase' in SAS.
* Task: Async To Uppercase
* Language: SAS
%macro async_to_uppercase()
* Implementation for Async To Uppercase
%let result = ...; * Initialize variable
* TODO: Implement core logic here
* Step 1: Prepare data
* Step 2: Process Async To Uppercase
%put("Done");
%mend;