I am trying to filter a data extension to only return certain rows via an SSJS automation.

It works fine if I set the SimpleOperator to "equals" and the Value to a static value.

What I really want to be able to do is filter rows with NULL in a particular field. I tried "notEquals" but it doesn't seem to work. e.g.

var TARGET_DE = DataExtension.Init("7AAB4709-88A6-4C4E-B153-901351D820A1");
var Filter = {Property:"Status",SimpleOperator:"notEquals",Value:"processed"};
var Data = TARGET_DE.Rows.Retrieve(Filter);

(Note: If the value isn't processed it is NULL)

I suspect I'm not able to use the SimpleOperator filter for NULL values.

1 Answer 1


I believe you can use the simple operator of isNull to achieve this.

You can use operators when building filters. The operators below work for all objects:

  • equals
  • notEquals
  • greaterThan
  • lessThan
  • isNull
  • isNotNull
  • greaterThanOrEqual
  • lessThanOrEqual
  • between
  • IN
  • like

If not, then you could try:

var Filter = {Property:"Status",SimpleOperator:"equals",Value:""};

This should make the value default to NULL and SHOULD only pull records accordingly. (Have not tested)

Your notEquals statement is requiring a value (which does not include NULL or EMPTY) that is not the declared value.

There are also a couple other not as elegant solutions you could look for. See this answer for some examples: How do I pull rows with non-null values in a field in FuelSDK?

  • I managed to get this working. Based on your suggestion I used: var Filter = {Property:"Status",SimpleOperator:"equals",Value:" "}; However to get it to work I had to use a space in the value like " " Also in this documentation based on the SDK null filters aren't an option but I'm not sure if it applies. developer.salesforce.com/docs/atlas.en-us.mc-sdks.meta/mc-sdks/… Oct 18, 2017 at 23:43
  • 1
    You can use var filter = {Property:"Field name",SimpleOperator:"isNull"}; Sep 3, 2019 at 5:16

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