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function onOpen() {
  DocumentApp.getUi()
    .createMenu('ID-TO-IMAGE')
    .addItem('Run', 'runIdToImage')
    .addToUi();
}

function runIdToImage() {
  var doc = DocumentApp.getActiveDocument();
  

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/**
 * These simple triggers are available in Sheets, Docs, and Forms
 * Most of this information can be found:
 * https://developers.google.com/apps-script/guides/triggers/events
 */
function onOpen(e) {
  //  {
  //    authMode: 'LIMITED',
  //    source: 'Spreadsheet' || 'Document' || 'Form',
  //    user: 'User'

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/**
 * Creates a custom menu in Google Sheets when the spreadsheet opens.
 */
function onOpen() {
  SlidesApp.getUi().createMenu('Picker')
      .addItem('Start', 'showPicker')
      .addToUi();
}

/**

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{
  "$schema": "http://json-schema.org/draft-04/schema#",
  "type": "object",
  "properties": {
    "entries": {
      "type": "array",
      "items": [
        {
          "type": "object",
          "properties": {

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function openTab() {
  var selection = SpreadsheetApp.getActiveSheet().getActiveCell().getValue();
  
  var html = "<script>window.open('" + selection + "');google.script.host.close();</script>";
  
  var userInterface = HtmlService.createHtmlOutput(html);
  
  SpreadsheetApp.getUi().showModalDialog(userInterface, 'Open Tab');
}

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function doGet(e) {
  if(!e.parameters.sheetId) {
    return HtmlService.createTemplateFromFile('Start').evaluate().setSandboxMode(HtmlService.SandboxMode.IFRAME);
  } else {
    var html = HtmlService.createTemplateFromFile('Viewer');
    
    //set variable of sheet id to post in hidden input field for async request when page loads
    html.sheetName = SpreadsheetApp.openById(e.parameters.sheetId).getName();
    html.sheetId = e.parameters.sheetId;
    

rheajt

<ul></ul>

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function columnToLetter(column, row) {
  var temp, letter = '';
  while (column > 0) {
    temp = (column - 1) % 26;
    letter = String.fromCharCode(temp + 65) + letter;
    column = (column - temp - 1) / 26;
  }
  return letter + row;
}

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function onOpen() {
  SpreadsheetApp.getUi()
    .createMenu('MULTI DATA VALIDATION')
    .addItem('Open', 'openSidebar')
    .addToUi();
}

function onInstall() {
  installEditTrigger();
  onOpen();

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function rosterMaker() {
  //spreadsheet id of the rosters
  var SHEET_ID = FormApp.getActiveForm().getDestinationId();
  var ss = SpreadsheetApp.openById(SHEET_ID);
  var form = FormApp.getActiveForm();
  
  //get only the sheets with 'Roster' in the title
  var sheets = ss.getSheets()
    .filter(function(sheet) {return sheet.getName().match(/Roster/gi);});