Spreadsheetに編集権限を追加

function addEditors() {
  const ss = SpreadsheetApp.openById('')
  const listSheet = ss.getSheetByName('')
  const lastRow = listSheet.getLastRow()
  const arr = listSheet.getRange(2,1,lastRow-1,4).getValues()
  let sId,editors,address

  //代理店一覧シートに順番に最新のデータを貼り付けする処理
  for (i=0; i<arr.length ;i++){
    sId = arr[i][2]
    editors =  arr[i][3]
    Logger.log(editors)
    address = editors.split(",")
    spreadSheet = SpreadsheetApp.openById(sId)
    for (j=0;j<address.length;j++){
      spreadSheet.addEditor(address[j])
    }
  }

  Browser.msgBox('処理が完了しました')
}