Update Cancelling Events authored by Amy's avatar Amy
**Difficulty: Beginner**
Most mob types have their own default way of doing things built into Minecraft, many of these actions can be blocked using the [CancelEvent](/skills/mechanics/cancelevent) mechanic, allowing you to replace a vanilla action with a custom one! Most mob types have their own default way of doing things built into Minecraft, many of these actions can be blocked using the [CancelEvent](/skills/mechanics/cancelevent) mechanic, allowing you to replace a vanilla action with a custom one!
A common example is cancelling a mobs attack with ~onAttack and replacing it with your own attack skill instead. A common example is cancelling a mobs attack with ~onAttack and replacing it with your own attack skill instead.
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