rich1.0julian (npub1uq…pz8a5)https://yabu.me/npub1uq5lznmk9ax9r07mhs0lrv4qaafyguepj2spfjlw54acwkxrds3sppz8a5njumphttps://yabu.mesaid 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 ): > > 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. > Pardon my ignorance, but isn't this exactly what streams is for? > > **streams** > A list of supplementary Collections which may be of interest. > Granted it's only mentioned in the context of an Actor object.