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Blocklist

The blocklist is the free part of Reaction Rules. It removes specific emoji reactions as soon as members add them.

Commands

CommandDescription
/blocklist add <emoji>Add an emoji to the blocklist
/blocklist remove <emoji>Remove an emoji from the blocklist
/blocklist listList all blocked emojis

How It Works

When a user reacts to a message with a blocked emoji:

  1. HAF Bot receives the reaction event.
  2. It checks the emoji against the server blocklist.
  3. If the emoji is blocked, the bot removes the reaction.
  4. If a log channel is configured, the bot reports what it removed.

Channel Filtering

You can configure which channels the blocklist applies to:

  • All channels — Blocklist enforced everywhere
  • Include mode — Only block in specified channels
  • Exclude mode — Block everywhere except specified channels

Open Admin Dashboard -> Reaction Rules to:

  • Add or remove emojis from the blocklist
  • Pick emojis from the server emoji picker
  • Set a moderation log channel
  • Choose include or exclude channel filtering

Limits

TierMax Blocked Emojis
Free10
PremiumUnlimited

Setup check

After saving, use Setup check to evaluate the saved Blocklist channels and permissions with read-only diagnostics. It does not add a reaction or delete a message; confirm enforcement with a harmless blocked reaction from a non-admin account.