Message filter
Message filter is used to filter JBI exchanges using an XPath predicate.

Required properties
- You must set at least one of the following properties (In each case, the default value is the component name):
- endpoint
- service
- interfaceName
- The target is where the filtered messages have to go.
- The xpath property is the XPath predicate used to filter input messages. For more information on XPath predicates, see http://www.w3.org/TR/xpath#predicates