multiple-data-extensions-sub-unsub.html

<form action="http://cl.exct.net/DEManager.aspx" name="subscribeForm" method="post">
    <input type="hidden" name="_clientID" value="7204971" />
    <input type="hidden" name="_deExternalKey" value="C84C694E-5FE6-416B-A0B7-AF59A6C54211" />
    <input type="hidden" name="_action" value="add" />
    <input type="hidden" name="_returnXML" value="0" />
    <input type="hidden" name="_successURL" value="https://sfmctest-clas3.ws.asu.edu/content/test-web-collect-success" />
    <input type="hidden" name="_errorURL" value="https://sfmctest-clas3.ws.asu.edu/content/test-web-collect-error" />
    
  <div class="form-group">
    <label for="exampleInputEmail1">Email address</label>
    <input type="email" class="form-control" id="exampleInputEmail1" placeholder="Email address" name="Email Address">
  </div>

  <div class="form-group">
    <label for="firstName">First name</label>
    <input class="form-control" id="firstName" placeholder="First name" name="First Name">
  </div>

  <div class="form-group">
    <label for="lastName">Last name</label>
    <input class="form-control" id="lastName" placeholder="Last name" name="Last Name">
  </div>   

  <button type="submit" class="form-submit btn btn-primary">Submit</button>
</form>