I think that I should explain the reason that I want to create some Topics in a Category (not All Topics in a Category) that only certain Groups can see and participate in.
Lets say we have a ‘Red Lake Nature Camp’ discourse forum. The camp is a place where different groups of people visit for numbers if days. There are many Public Categories that all visitors can participate in. There are Groups created for each Visit of say the ‘2020-02-05LocalBoyScouts’ and that Group is composed only of the members of the Local Boy Scouts who attended the 2020-02-05 camping session.
There is a main forum Category called ‘Group Visits’ and a ‘Staff’ person adds a Topic called ‘2020-02-05 Local Boy Scout Winter Trip’ with a brief description of the Trip in the 1st topic post.
This works but, we would like to be able to limit the ability to see and participate in that Topic to only the 2020-02-05LocalBoyScouts Group.
The reason we want that TOPIC private to THAT GROUP, is that there is also a ‘2020-03-05GirlGuide’ Group and a Topic created by Staff for their ‘2020-03-05 Girl Guide Winter Trip’.
We do not want the Girls to be able to see and participate in the Boys Topic and vice versa.
There will be some families that visit the Camp that WILL want everyone to see and participate in their Trip Topic located in the same public ‘Group Visits’ Category, but as you can see there is a need that some Topics in that Category be limited to the Groups that visited the Camp. We would also have a ‘BoyScoutLeader’ and ‘GirlGuideLeader’ Group that would be added to all their respective Topics so that the Leaders can see and participate in all of their visits over the years.