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in the map/reduce stage do I need to return anything from the map stage in order to get passed to summarize section
``` var id = fulfillmentRecord.save();```

<https://system.netsuite.com/app/help/helpcenter.nl?fid=section_4472712995.html|mapContext.write>

You might want to add more context to your question especially when it comes to Map/Reduce scripts. But the answer is you don't have to if you aren't changing the keys since you can query the keys that are passed into Map.
However, I don't think you can use the shuffle prior to reduce if your don't write out the keys.

so this map/reduce function fulfills our sales orders  if it fails to save due to multiple reasons i want that the fails error to get passed to my summarize(summary)

this my current non-working code
```  var id = fulfillmentRecord.save();
    }
  }
  function summarize(summary) {
    let data = "";
    let amount = "";
    let errors = "";
    summary.mapSummary.errors
      .iterator()
      .each(function (key, error, executionNo) {
        var errorObject = JSON.parse(error);
        log.error({ title: "fulfilerrors", details: errorObject });
        amount += 1;
        errors += `&lt;td&gt;${amount}&lt;/td&gt;&lt;td&gt; ${errorObject.name} &lt;/td &gt; &lt;td&gt; ${
          errorObject.message || "No Meaningful message"
        } &lt;/td &gt;`;
        return errors;
      });

    var date = new Date().toISOString().substring(0, 10);
    var time = `Total Seconds:  ${summary.seconds}`;
    var minutes = Math.floor(time / 60);
    var subject = `&gt;The  fufil script ran for ${minutes} min ${JSON.stringify(
      summary.inputSummary.usage
    )} were created ${summary.usage}`;
    var info = ` &lt;tr&gt;${error}&lt;/tr&gt;`;```

Are you trying to create an email with the HTML?

If your trying to make some report or email I would look into `N/render` module. You can use an object or array to be able to populate data within a template.

Ok thanx but that would be the next step first problem is I'm not getting the info

You're saying that fulfillments that aren't saving are not showing as errors?

And you aren't catching the errors within Map?

i was told that is bad practice not to catch them

if you catch them nothing gets passed to sumrize

You can catch them and log the error. But you will need to throw the error again so it gets registered as an error.

You can always parse the exception and just pass the message. It's up to you but you will need to throw something.

You can also configure Map to retry. This is nice because of the potential for `RECORD_HAS_CHANGED` error which is temporary. Then you can only throw the error on say the 2nd retry.