trong> and&nbsp;<strong>valid</strong> as parameters.</div>
<h3>Characteristic</h3>
<p>Query parameter technique has the following characteristic:</p>
<ul>
    <li>Can have multiple optional parameters.</li>
    <li>Route parameter identifier can be different to component parameter.</li>
    <li>Do not need to declare the parameter beforehand.</li>
</ul>
<h3>Access the query parameters</h3>
<p>To access a path parameter, you need to declare a component property with getter, setter, <code>[Parameter]</code> 