Authorization
Client Credential     Authentication Code

    <% if session["ClientCredential"].nil? %>
  1. 1. Login 
    clientcredential_config = ClientCredentialConfiguration.new(config);
connection = ADPApiConnectionFactory::createConnection(clientcredential_config)
connection.connect();
    2. <% end %> <% if !session["ClientCredential"].nil? %>
  2. 1. Logged in 
    clientcredential_config = ClientCredentialConfiguration.new(config);
connection = ADPApiConnectionFactory::createConnection(clientcredential_config)
connection.connect();

  3. 2. Logout
    connection.logout()
    4. <% end %>

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