function doGet(e) { 
  var ss = SpreadsheetApp.openByUrl("https://docs.google.com/spreadsheets/d/11dtlUtwt4PQPRrz15ynVzv6vbjlmDYQZHVdZCp3gb_0/edit?usp=sharing");
  var sheet = ss.getSheetByName("Sheet1"); 
  
  addUser(e,sheet);
}
 
function doPost(e) { 
  var ss = SpreadsheetApp.openByUrl("https://docs.google.com/spreadsheets/d/11dtlUtwt4PQPRrz15ynVzv6vbjlmDYQZHVdZCp3gb_0/edit?usp=sharing");
  var sheet = ss.getSheetByName("Sheet1"); 
  
  addUser(e,sheet);
}
  
function addUser(e,sheet) {
  var id = e.parameter.id ; 
  var name = e.parameter.name ;
  var nic = e.parameter.nic ;
  sheet.appendRow([id,name,nic]);