Is null

The Is null operator is used to select all those contacts that have no value entered for the relevant attribute in the database. If this operator is selected, no value is required in condition input field.

Example:

Setting the Gender condition to Is null, selects all those contacts that do not have gender information in the database.

The Is null operator applies to string, numeric and date data types.

See Input field types for more about each input field.

 

 

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