<params>
    <param name="provider" value="articles"/>
    <param name="properties" type="collection">
        <param name="title" value="title"/>
        <param name="subtitle" value="subtitle"/>
        <param name="url" value="url"/>
        <param name="image" value="image"/>
        <param name="excerptTitle" value="excerpt.title"/>
        <param name="excerptDescription" value="excerpt.description"/>
        <param name="excerptImage" value="excerpt.image"/>
        <param name="categories" value="excerpt.categories"/>
        <param name="tags" value="excerpt.tags"/>
        <param name="group" value="group"/>
        <param name="templateKey" value="templateKey"/>
    </param>
</params>