Cannot find function stringify Google App Script

Question

I've been trying to get a Google App Script together that works with Google's Directory API to update a large number of groups.

To my knowledge Google App Scripts uses javascript. I can't find a library to import or a json.stringify function to copy/paste into my code. Does anyone know of one?

I have the following code after the necessary authentication steps.

 var options = {
   'method' : 'Post',
   'contentType' : 'application/json',
   'followRedirects' : true,
   'muteHttpExceptions': true,
   'headers': {Authorization: 'Bearer ' + service.getAccessToken()},        
   'payload' : JSON.stringify(data)
 };


  var url = "https://www.googleapis.com/admin/directory/v1/groups/" + groupkey + "/members";
    var response = UrlFetchApp.fetch(url, options);
    Logger.log(response.getContentText());
}

Error Message:

TypeError: Cannot find function stringify in object [object Object]. (line 219, file "Code")

You need to provide more details. In testing, I can stringify without any additional imports or similar. function myFunction() { Logger.log(JSON.stringify(new Date(2006, 0, 2, 15, 4, 5))); // '"2006-01-02T15:04:05.000Z"' Logger.log(JSON.stringify({ x: 5, y: 6 })); // '{"x":5,"y":6}' Logger.log(JSON.stringify([new Number(3), new String('false'), new Boolean(false)])); // '[3,"false",false]' } — Richard Campbell
– Richard Campbell, Commented May 1, 2018 at 19:15

Cameron Roberts · Accepted Answer · 2018-05-01 19:20:42Z

3

JSON.stringify() should "just work", there is no "import" or similar action required.

Based on your error message it looks like you have accidentally assigned an object to the identifier JSON elsewhere in your code, with something like JSON = {};

Search for all instances of "JSON" in your code and see if you are incorrectly assigning it a value somewhere.

answered May 1, 2018 at 19:20

Cameron Roberts

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2 Comments

IT Dept Over a year ago

Thank you! I can't believe it was that simple.

str028 Over a year ago

I got the same error too and I found out that there is a JSON variable defined in my code. Thanks a lot!

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