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Create an advanced filter

You can use the expression builder to filter events at the start of a query using an arbitrary expression containing ANDs, ORs, or NOTs.


The expression builder uses standard JavaScript syntax for Booleans, as follows:

Boolean value Syntax
AND &&
NOT !!

Filters in the expression builder support generic matches. For example:

  • =MATCHES([action], “like”, “love”)
  • =DOES_NOT_MATCH([action], “like”, “love”)
  • =IS_EMPTY([action])
  • =IS_NOT_EMPTY([action])

The filter expressions can include your event data or your lookup table data.

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