The filter mediator either test the given xpath expression as a boolean expression, or match the evaluation
result of a source xpath expression as a String against the given regular expression. If the test succeeds,
the filter mediator will execute the enclosed mediators in sequence.
Here are the configuration options related to Filter Mediator.
Specify As: Specify whether you give the condition as an XPath or a Regular expression.
XPath: XPath expression if you selected the "Specify As" option to "XPath". Note that you can define the
namespaces used in the xpath by clicking the "Namespaces" link
Source: XPath expression to locate the value which is going match with the reguilar expression that you can define below.
Regex: Regular expression to match with the source value.