As we were building a Sermon Series layout, using a Parent content channel for Series and a Child content channel for Sermon items, it became apparent that there wasn't an easy way to affect the order that child items were returned.

The demo site on Rock uses a "Content Channel View Detail" Block to display Series information with a URL query parameter, but that Block currently doesn't support Rock Entities, so I rebuilt the content for the Series on that page with a "Content Channel View" Block, and a {%contentchannelitem%} entity to loop through and sort child items by Start Date in descending order (newest first).

@brian at NewSpring helped me with the attached Lava

I can't figure out how to attach the code or present it within this note, so it's here: