How to Async Save File Dialog in Tcl - Code Snippet

# Task: Async Save File Dialog
# Language: Tcl

proc async_save_file_dialog() {
    # Implementation for Async Save File Dialog
    set result = ...; # Initialize variable
    # TODO: Implement core logic here
    # Step 1: Prepare data
    # Step 2: Process Async Save File Dialog
    puts("Done");
}