title: Get Google Doc ID form list on spreadsheet
body: <p>I have a google doc ID (just the ID as a value) in a cell on a spreadsheet. I want to point a Var to grab that value form the spreadsheet (doc ID) and then use it in the <code>SlidesApp.openbyId</code>.</p>
  
  <p>For example:</p>
  
  <pre><code>var slideId = Sheets.Spreadsheets.Values.get('1aXXXXXXXXXXw', 'Run!E4:E4');
  var slide = SlidesApp.openById(slideId);
  </code></pre>
  
  <p>When the script runs and gets to the <code>var slide = SlidesApp.openById(slideId);</code> 
  I get: <em>Not found (line 101, file "Code")</em></p>