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   • 
   
               ExecutionSpecification (from BasicInteractions	   ) on page 498. 
               
   ActionExecutionSpecification	    is a kind of ExecutionSpecification representing the execution of an action. 
   Attributes 
   No additional attributes 
   Associations 
   •	action : Action [1] Action whose execution is occurring. 
   Constraints 
   [1]  	The Action referenced by the ActionExecutionOccurrence, if any, must be owned by the Interaction owning the ActionExecutionOccurrence.
               
   Semantics 
   See 
               ExecutionSpecification (from BasicInteractions	   ) on page 498. 
               
   Notation 
   See 
               ExecutionSpecification (from BasicInteractions	   ) on page 498. 
               
   Rationale 
   ActionExecutionSpecification	    is introduced to support interactions specifying messages that result from actions, which may
               be actions owned by other behaviors.