<table> <thead> <tr> <th>Attribute</th> <th>Type</th> <th>Description</th> <th>Default</th> <th>Required</th> </tr> </thead> <tbody> <tr> <td data-column="Attribute">header</td> <td data-column="Type">string</td> <td data-column="Description">the component header</td> <td data-column="Default">'Confirm Sign Up'</td> <td data-column="Required">no</td> </tr> <tr> <td data-column="Attribute">username</td> <td data-column="Type">string</td> <td data-column="Description">the username of the user who is signing up</td> <td data-column="Default">''</td> <td data-column="Required">no</td> </tr> </tbody> </table>