{namespace rf=DigiComp\FluidRenderFunctions\ViewHelpers}
{namespace fj=DigiComp\FluidJsonViews\ViewHelpers}
<rf:registerRenderFunction as="renderTag">
    {subject.name}
</rf:registerRenderFunction>
<fj:fluidJson objects="{tags}" renderFunction="renderTag" searchProperties="{0: 'name'}">
    <a href="{dataUri}">jsonView</a>
</fj:fluidJson>