Getting Data From The User

Is it possible for an Action to query the user for the value of a parameter at runtime?

This would be very useful so that a custom action would not have to be written for every instance. For example, if I wish to fill a field in the selected records with a particular integer (01, 02, etc), it would be nice for the action to pop up a dialog box for me to enter the applicable number. I would also use this to choose a given field rather than have to write a series of actions that do the very same thing to an individual field.

Any help would be appreciated.

Thanks In Advance,
BruceM0001

This is not possible at the moment as far as I know.