The task allows to filter passed array according to a supplied condition. 

The following are "Filter Array" task properties:

Condition: defines a condition each element of an array should match to be included to result. To build expression - use a self variable to denote a single element of array. For example, expression self.firstName LIKE "John" allows filtering array of contacts to keep only contacts having "John" as first name. Check the Predicate Format Syntax article for the description of condition format.

See also:
Common Task Attributes
Task Options
Variable Types