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