You can assign these new custom properties to your Pokémon in Cobblemon using anything that use the PokemonProperties logic, including commands such as /pokespawn and /pokeedit, the result in an evolution in a species or species_addition data file, and the pokemon in a spawn_pool_world data file.
spawn_notification:spawn_broadcastedUsed to tag a Pokémon as already having its spawn broadcasted. Mostly for internal use, but there if you’d like to use it.
spawn_notification:despawn_broadcastedUsed to tag a Pokémon as already having its despawn broadcasted. Mostly for internal use, but there if you’d like to use it.