report_list.gs

else if (userMessage == "報名人數" | userMessage == "名單") {
    var ready_namelist = "【 報名名單 】\n";
    for (var x = 1; x <= current_list_row; x++) {
      ready_namelist = ready_namelist + "\n" + reserve_list.getRange(x, 1).getValue();
    }
    reply_message = [
      {
        "type": "text",
        "text": "共有 " + current_list_row + " 位同學報名 ✋"
      },
      {
        "type": "text",
        "text": ready_namelist
      }]
  }