More info https://github.com/kirbycope/mob-spawner-bedrock#readme

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1. Activate the behavior pack and resource pack for your world
2. The world must have Holiday Creator Experiments enabled
- World Settings > Experiments > Holiday Creator Features

Using the Add-on

*Note: Item(s)/Block(s) are available in the Creative menu

1. give @p msb:tower_mushroom
   • When placed it will build a mob spawning tower* using Red Mushroom

* Disclaimer: This is a java-style mob tower, not Bedrock so it doesn't work in Bedrock unless it's the only place a mob can spawn like you have torches down everywhere else in the chunk.