UML Class Method From Sequence Diagram
<p>How does the direction of a message could determine the method of a class (of a sequence diagram actor) ?  I'd say the actor sending the message is the one having the method. Am I correct ?</p>

<p><a href="https://i.stack.imgur.com/tvZPg.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/tvZPg.png" alt="enter image description here"></a></p>

<p>And the classes For that are </p>

<p><a href="https://i.stack.imgur.com/u70Ij.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/u70Ij.png" alt="enter image description here"></a></p>

<p>Am I right or is it the other way around ?</p>