Include relationship (UML Use-case)

The include relationship, $⟨⟨\text{include}⟩⟩$, is where the behaviour of one use case (included use case) is integrated in the behaviour of another use case (base use case).

digraph {
	layout=neato
	splines=true
 
	actor [shape=star label=""]
	actor->A,B [arrowhead=none]
	A->B [label=" «include»"]
}