start:
    say "Hello I am the event Example bot"

    // event is the key word use to get the user input
    if (event.get_type() == "text") {
        goto normal_event
    } else if (event.get_type() == "payload") {
        goto nlp_event
    } else if (event.get_type() == "file") {
        goto file_upload_event
    }

    goto end

normal_event:
    say "user input -> [{{event}}]"
    goto end

nlp_event:
    say "nlp"
    goto end

file_upload_event:
    say "please upload your file"

    // say  event.file info
    goto end