Added Player#sendPluginMessage

src/main/java/net/minestom/server/entity/Player.java

@@ -604,6 +604,29 @@ public class Player extends LivingEntity implements CommandSender {
         }
     }
 
+    /**
+     * Send a plugin message to the player
+     *
+     * @param channel the message channel
+     * @param data    the message data
+     */
+    public void sendPluginMessage(String channel, byte[] data) {
+        PluginMessagePacket pluginMessagePacket = new PluginMessagePacket();
+        pluginMessagePacket.channel = channel;
+        pluginMessagePacket.data = data;
+        playerConnection.sendPacket(pluginMessagePacket);
+    }
+
+    /**
+     * Send a plugin message to the player
+     *
+     * @param channel the message channel
+     * @param message the message
+     */
+    public void sendPluginMessage(String channel, String message) {
+        sendPluginMessage(channel, message.getBytes());
+    }
+
     /**
      * Send a {@link BlockBreakAnimationPacket} packet to the player and his viewers
      * Setting {@code destroyStage} to -1 resets the break animation