How to Async Show Message Box in Tcl - Code Snippet

# Task: Async Show Message Box
# Language: Tcl

proc async_show_message_box() {
    # Implementation for Async Show Message Box
    set result = ...; # Initialize variable
    # TODO: Implement core logic here
    # Step 1: Prepare data
    # Step 2: Process Async Show Message Box
    puts("Done");
}