Auto Building of Comps Using Automation Blocks

[Matt@FanDuel]

I'm experimenting with Automation Blocks to automate the building of comps for my teams workflow... 

Here's what I have figured out:

I can automatically build a project bin "Output" with 4 comps at 4 different sizes (1920x1080, etc), then build a "PreComp" bin with the precomps we will need - Logo Intro comp, offer precomp, text precomp and rtb precomps...

I have that down and working, utilizing the setup I screenshot. No problems at all there.

Now what I'm struggling with is the following:

I want to automate taking the comps in the PreComp bin and inserting. them into the output comps at particular times and even sizing/placements. 

"Logo Intro" would be placed at the 0 frame at say 100% scale, centered in the comp... "Offer Precomp" would be placed at the 2s mark, 50% scale. Then "Headline" precomp would be placed at the 6s mark, and so on. I'd imagine I can use "set attribute" to place precomps in a particular location etc., but I can't figure out how to start placing comps like I would like to.

The "For Each Item" blocks, or "create new footage" blocks aren't entirely intuitive about what I can put where.

[Mathias Moehl]

In the Create New Footage Item block, as footage item you can specify any project item (footage, or a comp if you want to use that as precomp). If you have the item already in your project, just select it and click the "refresh" icon in the Project Item block. See https://docs.mamoworld.com/automation-blocks/block-reference/prProjectItems#accessProjectItem

If you want to insert a comp you just created, you can also replace the Project Item block by the variable containing that comp.

This is in Pr, but in Ae selecting a project item works in the same way: