julian on Nostr: said in [@julian hey, how does NodeBB federate things like categories with ...

said in [@julian hey, how does NodeBB federate things like categories with posts?](https://community.nodebb.org/post/https%3A%2F%2Fmastodon.social%2Fusers%2Ftrwnh%2Fstatuses%2F112440492690696428 ):


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> a third way would be to define an extension property/collection indicating "members" that you can Join/Leave or be Add/Remove to by mods.

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Pardon my ignorance, but isn't this exactly what streams is for?


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> **streams**
>
A list of supplementary Collections which may be of interest.

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Granted it's only mentioned in the context of an Actor object.