Add Balance Update Event.

Essentials/src/com/earth2me/essentials/User.java

@@ -13,6 +13,7 @@ import java.util.GregorianCalendar;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 import net.ess3.api.IEssentials;
+import net.ess3.api.events.UserBalanceUpdateEvent;
 import org.bukkit.ChatColor;
 import org.bukkit.Location;
 import org.bukkit.command.CommandSender;
@@ -466,6 +467,7 @@ public class User extends UserData implements Comparable<User>, IReplyTo, net.es
 			}
 		}
 		super.setMoney(value);
+		ess.getServer().getPluginManager().callEvent(new UserBalanceUpdateEvent(this.getBase(), value));
 		Trade.log("Update", "Set", "API", getName(), new Trade(value, ess), null, null, null, ess);
 	}
 

Essentials/src/net/ess3/api/events/UserBalanceUpdateEvent.java

@@ -0,0 +1,42 @@
+package net.ess3.api.events;
+
+import java.math.BigDecimal;
+
+import org.bukkit.entity.Player;
+import org.bukkit.event.Event;
+import org.bukkit.event.HandlerList;
+
+
+public class UserBalanceUpdateEvent extends Event
+{
+	private static final HandlerList handlers = new HandlerList();
+	private final Player player;
+	private final BigDecimal balance;
+
+	public UserBalanceUpdateEvent(Player player, BigDecimal balance)
+	{
+		this.player = player;
+		this.balance = balance;
+	}
+
+	@Override
+	public HandlerList getHandlers()
+	{
+		return handlers;
+	}
+
+	public static HandlerList getHandlerList()
+	{
+		return handlers;
+	}
+
+	public Player getPlayer()
+	{
+		return player;
+	}
+
+	public BigDecimal getNewBalance()
+	{
+		return balance;
+	}
+}