title: How to make sequence diagram for sign up
body: <p>I'm preparing the sequence diagram for a project. I started with the sign up operation.</p>
  
  <p>It's confusing to me because this is the first time I use this technique with a real project.</p>
  
  <p>The following image is <strong>part</strong> of the registration process, would any one take a look and correct me if I did any mistake.</p>
  
  <p><img src="https://i.stack.imgur.com/Of3qA.jpg" alt="enter image description here"></p>
  
  <p><a href="https://i.stack.imgur.com/Of3qA.jpg" rel="nofollow noreferrer">http://i.stack.imgur.com/Of3qA.jpg</a></p>