MessagePropertyFilter
can be used to filter against properties on an event. This can be very useful as the event properties represent all the meta information about the event from the underlying transport, so for an event received over HTTP you can check for HTTP headers etc. The pattern should be expressed as a key/value pair, i.e. "propertyName=value". If you want to compare more than one property you can use the logic filters for And, Or and Not expressions. By default the comparison is case sensitive; you can set the
caseSensitive property to override this.
Since 3.0.0 its possible to set the property value as a wildcard expression i.e.
fooHeader = *foo*