{namespace v=FluidTYPO3\Vhs\ViewHelpers}
<article>

    <f:if condition="{data_item.tx_mask_image}">
        <f:for each="{data_item.tx_mask_image}" as="fileReference" iteration="iterator">
            <f:if condition="{iterator.isFirst}">
                <v:variable.set name="fileRef" value="{fileReference}"/>
            </f:if>
        </f:for>
    </f:if>

    <f:link.typolink parameter="{fileRef.link}">

        <f:comment>Image</f:comment>
        <f:if condition="{data_item.tx_mask_image}">
            <f:for each="{data_item.tx_mask_image}" as="file">
                <img src="{v:uri.image(src:'{file.uid}', treatIdAsReference:'1')}" alt="{file.alternative}" title="{file.title}" />
            </f:for>
        </f:if>
        <f:if condition="{data_item.tx_mask_category}">
            <h5>{data_item.tx_mask_category}</h5>
        </f:if>

    </f:link.typolink>

</article>