Step 1: ~place a Monster Spawner
Step 2: ~place Any Type of Spawn You Want to Use by Clicking the Spawn on the Monster Spawn. ( As You Can See Iv'e Used a Wolf)
Step 3: ~the Monster Spawn Will Automatically Start Spawning the Creature You Chose to Put in It. If You Spawn a Monster, It Only Works in Darkness.
Thanks for viewing this! This was just a simple tip for you on Minecraft! Plz slap the "like" button if you enjoyed this! ~Minecraft monster spawn~