diff --git a/src/crafting/CraftingManagerFromDataHelper.php b/src/crafting/CraftingManagerFromDataHelper.php
index 228e3623a..0a28ca328 100644
--- a/src/crafting/CraftingManagerFromDataHelper.php
+++ b/src/crafting/CraftingManagerFromDataHelper.php
@@ -333,6 +333,8 @@ final class CraftingManagerFromDataHelper{
 			));
 		}
 
+		//TODO: smithing
+
 		return $result;
 	}
 }
diff --git a/src/crafting/json/SmithingTransformRecipeData.php b/src/crafting/json/SmithingTransformRecipeData.php
new file mode 100644
index 000000000..dfb203a07
--- /dev/null
+++ b/src/crafting/json/SmithingTransformRecipeData.php
@@ -0,0 +1,43 @@
+<?php
+
+/*
+ *
+ *  ____            _        _   __  __ _                  __  __ ____
+ * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \
+ * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
+ * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/
+ * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_|
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * @author PocketMine Team
+ * @link http://www.pocketmine.net/
+ *
+ *
+ */
+
+declare(strict_types=1);
+
+namespace pocketmine\crafting\json;
+
+final class SmithingTransformRecipeData{
+
+	/** @required */
+	public RecipeIngredientData $input;
+	/** @required */
+	public RecipeIngredientData $addition;
+	/** @required */
+	public ItemStackData $output;
+	/** @required */
+	public string $block;
+
+	public function __construct(RecipeIngredientData $input, RecipeIngredientData $addition, ItemStackData $output, string $block){
+		$this->input = $input;
+		$this->addition = $addition;
+		$this->output = $output;
+		$this->block = $block;
+	}
+}
\ No newline at end of file