How to Async Find Index in OCaml - Code Snippet

(* Task: Async Find Index
(* Language: OCaml

let async_find_index() =
    (* Implementation for Async Find Index
    let result = ...; (* Initialize variable
    (* TODO: Implement core logic here
    (* Step 1: Prepare data
    (* Step 2: Process Async Find Index
    print_endline("Done");
;;