Message Parameters

Q: How can I grab the value of parameters in a message? For example, in

I want to return the value of the first parameter in the message (i.e., 0.4).

A: David Withoff (withoff@wolfram.com) suggests modifying Message to save its first parameter as a global variable.

Of course, care must be taken if you plan to use an intermediate algorithmic detail (the value sent to the message) as the final result.