diff --git a/src/pocketmine/inventory/MultiRecipe.php b/src/pocketmine/inventory/MultiRecipe.php
index 453e77f63..c63cbbb1e 100644
--- a/src/pocketmine/inventory/MultiRecipe.php
+++ b/src/pocketmine/inventory/MultiRecipe.php
@@ -26,6 +26,14 @@ namespace pocketmine\inventory;
 use pocketmine\utils\UUID;
 
 class MultiRecipe{
+	const TYPE_REPAIR_ITEM = "00000000-0000-0000-0000-000000000001";
+	const TYPE_MAP_EXTENDING = "D392B075-4BA1-40AE-8789-AF868D56F6CE";
+	const TYPE_MAP_CLONING = "85939755-BA10-4D9D-A4CC-EFB7A8E943C4";
+	const TYPE_MAP_UPGRADING = "AECD2294-4B94-434B-8667-4499BB2C9327";
+	const TYPE_BOOK_CLONING = "D1CA6B84-338E-4F2F-9C6B-76CC8B4BD98D";
+	const TYPE_BANNER_DUPLICATE = "B5C5D105-75A2-4076-AF2B-923EA2BF4BF0";
+	const TYPE_BANNER_ADD_PATTERN = "D81AAEAF-E172-4440-9225-868DF030D27B";
+	const TYPE_FIREWORKS = "00000000-0000-0000-0000-000000000002";
 
 	private $uuid;