ng</ref>
        <p>
          The correction message to be displayed for this error. The correction
          message should indicate how the user can fix the error. The field is
          omitted if there is no correction message associated with the error
          code.
        </p>
      </field>
      <field name="code">
        <ref>String</ref>
        <p>
          The name, as a string, of the error code associated with this error.
        </p>
      </field>
      <field name="url" optional="true"