Activity Diagram

[ecastil1]

Hi. it´s possible an action (activity diagram - pin) receive several inputs and this produce several outputs? how does it models?

Thanks a lot in advance.

[StefanPears]

From Unified Modeling Language: Superstructure:

11 Actions
11.1 Overview
Basic Concepts
An action is the fundamental unit of behavior specification. An action takes a set of inputs and converts them into a set of outputs, <....>

You can download the UML specification at OMGs for free. Chapter 11 answers your question (though it's a bit cumbersome on the first view).

sb