Page History

...

• if the body of the message can be converted to a BeanInvocation (the default payload used by the ProxyHelper) - then that its used to invoke the method and pass the arguments
• if the message contains the header org.apache.camel.MethodName then that method is invoked, converting the body to whatever the argument is to the method
• otherwise the type of the method body is used to try find a method which matches; an error is thrown if a single method cannot be chosen unambiguously.

...