<p>The user-supplied certificate identifier. If this parameter is specified, information for only the specified certificate is returned. If this parameter is omitted, a list of up to <code>MaxRecords</code> certificates is returned. This parameter is not case sensitive.</p> <p>Constraints</p> <ul> <li> <p>Must match an existing <code>CertificateIdentifier</code>.</p> </li> </ul>

<p>The maximum number of records to include in the response. If more records exist than the specified <code>MaxRecords</code> value, a pagination token called a marker is included in the response so that the remaining results can be retrieved.</p> <p>Default: 100</p> <p>Constraints:</p> <ul> <li> <p>Minimum: 20</p> </li> <li> <p>Maximum: 100</p> </li> </ul>