/summon minecraft:illusioner Once you have typed in the command, you simply need to hit Enter, and then the Illusioner will spawn nearby.

Instead, you'll need to spawn it into the game using cheats. Here's how to get a command block in Minecraft, using either Java or Bedrock edition.

You can turn on cheats in your Minecraft world when making it, or through the Settings menu. Enabling cheats in Minecraft lets you spawn items, teleport, change the game mode, and more.