</a>, <a href="../../concepts/exchanges/">Exchanges concepts</a>.  First, some necessary pieces.</p>
<p><img alt="flow extras model" src="../../assets/misc-mdl.png" /></p>
<h4 id="vfaction">vf:Action</h4>
<p>An Action specifies the type of flow and what the flow will do or has done. EconomicEvent, Commitment, Intent, Claim, RecipeFlow have an Action.  Actions are specified in Valueflows to cover the various ways flows affect resources.  Actions have properties defined that can drive the code logic to create