Using a custom block to show posts feeds from selected forums. How to show only the first comment from each topic on those selected forums?

 

Thanks in advance. 

16 hours ago, Afrodude said:

Using a custom block to show posts feeds from selected forums. How to show only the first comment from each topic on those selected forums?

 

Thanks in advance. 

Make a topic feed instead of a post feed in that case.

13 hours ago, bfarber said:

Make a topic feed instead of a post feed in that case.

This is what I did in the end, and I added the topic content in order to show it as first post.