Composite builds with catalog sharing?

Is there an example of composite build that uses a shared catalog between the projects. I see some sample projects that use “platform”, but not catalog?

If it is in one repository, you can just define to use the same file by declaring that in all but one settings script as shown on Sharing dependency versions between projects.

Besides that, you could also publish the version catalog and consume it from there like shown on the same page.

I have read all the docs you suggested, thanks. I was looking through the sample index with various examples and saw none showing shaerd catalogs between multi-repo projects