diff --git a/common/src/main/java/dev/anvilcraft/lib/data/DataProviderType.java b/common/src/main/java/dev/anvilcraft/lib/data/DataProviderType.java
index b2645cb..3291cf5 100644
--- a/common/src/main/java/dev/anvilcraft/lib/data/DataProviderType.java
+++ b/common/src/main/java/dev/anvilcraft/lib/data/DataProviderType.java
@@ -1,10 +1,14 @@
 package dev.anvilcraft.lib.data;
 
+import net.minecraft.data.DataGenerator;
 import net.minecraft.data.DataProvider;
-import net.minecraft.data.recipes.RecipeProvider;
 import net.minecraft.data.tags.TagsProvider;
 import net.minecraft.world.item.Item;
 import net.minecraft.world.level.block.Block;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.List;
+import java.util.function.Consumer;
 
 public interface DataProviderType<P extends DataProvider> {
     DataProviderType<AnvilLibItemModelProvider> ITEM_MODEL = new DataProviderType<>() {
@@ -12,11 +16,40 @@ public interface DataProviderType<P extends DataProvider> {
     DataProviderType<AnvilLibBlockModelProvider> BLOCK_MODEL = new DataProviderType<>() {
     };
     DataProviderType<RegistratorRecipeProvider> RECIPE = new DataProviderType<>() {
+        @Override
+        public void create(@NotNull DataGenerator.PackGenerator generator, @NotNull String namespace, @NotNull List<Consumer<RegistratorRecipeProvider>> consumer) {
+            generator.addProvider(output -> {
+                RegistratorRecipeProvider provider = new RegistratorRecipeProvider(output);
+                consumer.forEach(c -> c.accept(provider));
+                return provider;
+            });
+        }
     };
     DataProviderType<TagsProvider<Item>> ITEM_TAG = new DataProviderType<>() {
     };
     DataProviderType<TagsProvider<Block>> BLOCK_TAG = new DataProviderType<>() {
     };
     DataProviderType<LanguageProvider> LANG = new DataProviderType<>() {
+        @Override
+        public void create(@NotNull DataGenerator.PackGenerator generator, @NotNull String namespace, @NotNull List<Consumer<LanguageProvider>> consumer) {
+            generator.addProvider(output -> {
+                LanguageProvider provider = new LanguageProvider(output, namespace);
+                consumer.forEach(c -> c.accept(provider));
+                return provider;
+            });
+            generator.addProvider(output -> {
+                LanguageProvider provider = new UpsideDownLanguageProvider(output, namespace);
+                consumer.forEach(c -> c.accept(provider));
+                return provider;
+            });
+        }
     };
+
+    default void create(@NotNull DataGenerator.PackGenerator generator, @NotNull String namespace, @NotNull List<Consumer<P>> consumer) {
+    }
+
+    @SuppressWarnings("unchecked")
+    default void create(@NotNull String namespace, @NotNull DataGenerator.PackGenerator generator, @NotNull List<Consumer<? extends DataProvider>> consumer) {
+        this.create(generator, namespace, consumer.stream().map(c -> (Consumer<P>) c).toList());
+    }
 }
diff --git a/common/src/main/java/dev/anvilcraft/lib/data/LanguageProvider.java b/common/src/main/java/dev/anvilcraft/lib/data/LanguageProvider.java
index a9cb38a..4d6a1e6 100644
--- a/common/src/main/java/dev/anvilcraft/lib/data/LanguageProvider.java
+++ b/common/src/main/java/dev/anvilcraft/lib/data/LanguageProvider.java
@@ -8,12 +8,16 @@
 import org.jetbrains.annotations.NotNull;
 
 import java.nio.file.Path;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Map;
 import java.util.concurrent.CompletableFuture;
 
-public abstract class LanguageProvider implements DataProvider {
+public class LanguageProvider implements DataProvider {
     protected final String namespace;
     protected final String languageCode;
     protected final PackOutput dataOutput;
+    protected final Map<String, String> translations = Collections.synchronizedMap(new HashMap<>());
 
     protected LanguageProvider(PackOutput dataOutput, String namespace, String languageCode) {
         this.namespace = namespace;
@@ -21,7 +25,20 @@ protected LanguageProvider(PackOutput dataOutput, String namespace, String langu
         this.dataOutput = dataOutput;
     }
 
-    public abstract void add(TranslationBuilder builder);
+    public static @NotNull LanguageProvider create(PackOutput dataOutput, String namespace, @NotNull String languageCode) {
+        if (languageCode.equals("en_ud")) {
+            return new UpsideDownLanguageProvider(dataOutput, namespace);
+        }
+        return new LanguageProvider(dataOutput, namespace, languageCode);
+    }
+
+    protected void add(@NotNull TranslationBuilder builder) {
+        this.translations.forEach(builder::add);
+    }
+
+    public void add(String translationKey, String value) {
+        this.translations.put(translationKey, value);
+    }
 
     public LanguageProvider(PackOutput dataOutput, String namespace) {
         this(dataOutput, namespace, "en_us");
@@ -36,8 +53,8 @@ public LanguageProvider(PackOutput dataOutput, String namespace) {
 
     protected @NotNull Path getLangFilePath(String code) {
         return this.dataOutput
-            .createPathProvider(PackOutput.Target.RESOURCE_PACK, "lang")
-            .json(new ResourceLocation(this.namespace, code));
+                .createPathProvider(PackOutput.Target.RESOURCE_PACK, "lang")
+                .json(new ResourceLocation(this.namespace, code));
     }
 
     @Override
diff --git a/common/src/main/java/dev/anvilcraft/lib/data/RegistratorRecipeProvider.java b/common/src/main/java/dev/anvilcraft/lib/data/RegistratorRecipeProvider.java
index 572fbaa..5dd8f31 100644
--- a/common/src/main/java/dev/anvilcraft/lib/data/RegistratorRecipeProvider.java
+++ b/common/src/main/java/dev/anvilcraft/lib/data/RegistratorRecipeProvider.java
@@ -5,10 +5,14 @@
 import net.minecraft.data.recipes.RecipeProvider;
 import org.jetbrains.annotations.NotNull;
 
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
 import java.util.function.Consumer;
 
 public class RegistratorRecipeProvider extends RecipeProvider implements Consumer<FinishedRecipe> {
-    Consumer<FinishedRecipe> writer;
+    private final List<FinishedRecipe> recipes = Collections.synchronizedList(new ArrayList<>());
+    private Consumer<FinishedRecipe> writer;
 
     public RegistratorRecipeProvider(PackOutput output) {
         super(output);
@@ -17,7 +21,7 @@ public RegistratorRecipeProvider(PackOutput output) {
     @Override
     public void accept(FinishedRecipe finishedRecipe) {
         if (this.writer == null) {
-            /*TODO log error*/
+            this.recipes.add(finishedRecipe);
             return;
         }
         this.writer.accept(finishedRecipe);
@@ -26,5 +30,6 @@ public void accept(FinishedRecipe finishedRecipe) {
     @Override
     public void buildRecipes(@NotNull Consumer<FinishedRecipe> writer) {
         this.writer = writer;
+        this.recipes.forEach(writer);
     }
 }
diff --git a/common/src/main/java/dev/anvilcraft/lib/data/UpsideDownLanguageProvider.java b/common/src/main/java/dev/anvilcraft/lib/data/UpsideDownLanguageProvider.java
index 772b35a..92bff89 100644
--- a/common/src/main/java/dev/anvilcraft/lib/data/UpsideDownLanguageProvider.java
+++ b/common/src/main/java/dev/anvilcraft/lib/data/UpsideDownLanguageProvider.java
@@ -11,11 +11,16 @@
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
-public abstract class UpsideDownLanguageProvider extends LanguageProvider {
+public class UpsideDownLanguageProvider extends LanguageProvider {
     protected UpsideDownLanguageProvider(PackOutput dataOutput, String namespace) {
         super(dataOutput, namespace, "en_ud");
     }
 
+    @Override
+    public @NotNull String getName() {
+        return "UpsideDownLanguage";
+    }
+
     @Override
     public @NotNull CompletableFuture<?> run(@NotNull CachedOutput output) {
         JsonObject object = new JsonObject();
diff --git a/common/src/main/java/dev/anvilcraft/lib/registrator/AbstractRegistrator.java b/common/src/main/java/dev/anvilcraft/lib/registrator/AbstractRegistrator.java
index 6ca2701..07844fe 100644
--- a/common/src/main/java/dev/anvilcraft/lib/registrator/AbstractRegistrator.java
+++ b/common/src/main/java/dev/anvilcraft/lib/registrator/AbstractRegistrator.java
@@ -26,7 +26,7 @@
 @SuppressWarnings("unused")
 public abstract class AbstractRegistrator {
     protected final BuilderManager manager = new BuilderManager();
-    protected final Map<DataProviderType<?>, List<Consumer<? extends DataProvider>>> dataProviders = Collections.synchronizedMap(new HashMap<>());
+    protected final Map<DataProviderType<? extends DataProvider>, List<Consumer<? extends DataProvider>>> dataProviders = Collections.synchronizedMap(new HashMap<>());
     private final String modid;
 
     protected AbstractRegistrator(String modid) {
@@ -70,13 +70,12 @@ public <P extends DataProvider> void data(DataProviderType<P> type, Consumer<P>
     public void init() {
     }
 
-    @SuppressWarnings("unchecked")
-    protected <P extends DataProvider> List<Consumer<P>> getDataProviders(DataProviderType<P> type) {
-        return (List<Consumer<P>>) (List<?>) this.dataProviders.getOrDefault(type, Collections.emptyList());
-    }
-
     @SuppressWarnings("UnusedReturnValue")
-    public <T extends DataProvider> AbstractRegistrator initDatagen(DataGenerator generator) {
+    public <T extends DataProvider> AbstractRegistrator initDatagen(DataGenerator.PackGenerator generator) {
+        for (Map.Entry<DataProviderType<? extends DataProvider>, List<Consumer<? extends DataProvider>>> entry : this.dataProviders.entrySet()) {
+            entry.getKey().create(this.modid, generator, entry.getValue());
+        }
+
         return this;
     }
 
@@ -89,4 +88,8 @@ public <T> AbstractRegistrator addBuilder(Registry<T> registry, EntryBuilder<? e
     protected <V, T extends V> List<EntryBuilder<T>> getBuilders(Registry<V> registry) {
         return this.manager.getBuilders(registry);
     }
+
+    public void lang(String key, String name) {
+        this.data(DataProviderType.LANG, provider -> provider.add(key, name));
+    }
 }
diff --git a/common/src/main/java/dev/anvilcraft/lib/registrator/builder/EntryBuilder.java b/common/src/main/java/dev/anvilcraft/lib/registrator/builder/EntryBuilder.java
index 8cfb1fa..391b357 100644
--- a/common/src/main/java/dev/anvilcraft/lib/registrator/builder/EntryBuilder.java
+++ b/common/src/main/java/dev/anvilcraft/lib/registrator/builder/EntryBuilder.java
@@ -3,6 +3,7 @@
 import dev.anvilcraft.lib.registrator.AbstractRegistrator;
 import dev.anvilcraft.lib.registrator.entry.RegistryEntry;
 import net.minecraft.resources.ResourceLocation;
+import org.jetbrains.annotations.NotNull;
 
 public abstract class EntryBuilder<T> {
     protected final AbstractRegistrator registrator;
@@ -21,4 +22,22 @@ protected EntryBuilder(AbstractRegistrator registrator, String id) {
     public ResourceLocation getId() {
         return this.registrator.of(this.id);
     }
+
+    protected static @NotNull String toTitleCase(@NotNull String input) {
+        // 使用下划线分割字符串
+        String[] parts = input.split("_");
+        StringBuilder result = new StringBuilder();
+
+        for (String part : parts) {
+            // 将每个单词的首字母转为大写，其余字母保持原样
+            if (!part.isEmpty()) {
+                result.append(Character.toUpperCase(part.charAt(0)));
+                result.append(part.substring(1));
+            }
+            result.append(" ");
+        }
+
+        // 删除最后一个多余的空格
+        return result.toString().trim();
+    }
 }
diff --git a/common/src/main/java/dev/anvilcraft/lib/registrator/builder/ItemBuilder.java b/common/src/main/java/dev/anvilcraft/lib/registrator/builder/ItemBuilder.java
index 581fc54..5e66bcd 100644
--- a/common/src/main/java/dev/anvilcraft/lib/registrator/builder/ItemBuilder.java
+++ b/common/src/main/java/dev/anvilcraft/lib/registrator/builder/ItemBuilder.java
@@ -6,6 +6,7 @@
 import dev.anvilcraft.lib.mixin.ItemPropertiesAccessor;
 import dev.anvilcraft.lib.registrator.AbstractRegistrator;
 import dev.anvilcraft.lib.registrator.entry.ItemEntry;
+import net.minecraft.Util;
 import net.minecraft.core.registries.BuiltInRegistries;
 import net.minecraft.tags.TagKey;
 import net.minecraft.world.item.Item;
@@ -26,6 +27,7 @@ public ItemBuilder(AbstractRegistrator registrator, String id, Function<Item.Pro
         super(registrator, id);
         this.factory = factory;
         this.entry = new ItemEntry<>(this);
+        this.lang(toTitleCase(this.id));
     }
 
     public ItemBuilder<T> model(BiConsumer<ItemEntry<T>, AnvilLibItemModelProvider> consumer) {
@@ -48,7 +50,9 @@ public ItemBuilder<T> recipe(BiConsumer<ItemEntry<T>, RegistratorRecipeProvider>
         return this;
     }
 
+    @SuppressWarnings("UnusedReturnValue")
     public ItemBuilder<T> lang(String name) {
+        this.registrator.lang(Util.makeDescriptionId("item", this.registrator.of(this.id)), name);
         return this;
     }
 
@@ -63,14 +67,14 @@ public ItemBuilder<T> initProperties(Supplier<Item> supplier) {
         if (supplier instanceof ItemEntry<?> itemEntry) {
             ItemPropertiesAccessor accessor = (ItemPropertiesAccessor) itemEntry.getItemBuilder().properties;
             if (
-                accessor.getMaxStackSize() != defaultProperties.getMaxStackSize()
-                    && thisAccessor.getMaxStackSize() == defaultProperties.getMaxStackSize()
+                    accessor.getMaxStackSize() != defaultProperties.getMaxStackSize()
+                            && thisAccessor.getMaxStackSize() == defaultProperties.getMaxStackSize()
             ) {
                 this.properties.stacksTo(accessor.getMaxStackSize());
             }
             if (
-                accessor.getMaxDamage() != defaultProperties.getMaxDamage()
-                    && thisAccessor.getMaxDamage() == defaultProperties.getMaxDamage()
+                    accessor.getMaxDamage() != defaultProperties.getMaxDamage()
+                            && thisAccessor.getMaxDamage() == defaultProperties.getMaxDamage()
             ) {
                 this.properties.durability(accessor.getMaxDamage());
             }
@@ -78,8 +82,8 @@ public ItemBuilder<T> initProperties(Supplier<Item> supplier) {
                 this.properties.craftRemainder(accessor.getCraftingRemainingItem());
             }
             if (
-                accessor.getRarity() != defaultProperties.getRarity()
-                    && thisAccessor.getRarity() == defaultProperties.getRarity()
+                    accessor.getRarity() != defaultProperties.getRarity()
+                            && thisAccessor.getRarity() == defaultProperties.getRarity()
             ) {
                 this.properties.rarity(accessor.getRarity());
             }
@@ -93,8 +97,8 @@ public ItemBuilder<T> initProperties(Supplier<Item> supplier) {
             Item item = supplier.get();
             if (item != null) {
                 if (
-                    item.getMaxDamage() != defaultProperties.getMaxDamage()
-                        && thisAccessor.getMaxDamage() == defaultProperties.getMaxDamage()
+                        item.getMaxDamage() != defaultProperties.getMaxDamage()
+                                && thisAccessor.getMaxDamage() == defaultProperties.getMaxDamage()
                 ) {
                     this.properties.durability(item.getMaxDamage());
                 }
@@ -102,25 +106,25 @@ public ItemBuilder<T> initProperties(Supplier<Item> supplier) {
                     this.properties.craftRemainder(item.getCraftingRemainingItem());
                 }
                 if (
-                    item.getRarity(new ItemStack(item)) != defaultProperties.getRarity()
-                        && thisAccessor.getRarity() == defaultProperties.getRarity()
+                        item.getRarity(new ItemStack(item)) != defaultProperties.getRarity()
+                                && thisAccessor.getRarity() == defaultProperties.getRarity()
                 ) {
                     this.properties.rarity(item.getRarity(new ItemStack(item)));
                 }
                 if (
-                    item.getMaxStackSize() != defaultProperties.getMaxStackSize()
-                        && thisAccessor.getMaxStackSize() == defaultProperties.getMaxStackSize()
+                        item.getMaxStackSize() != defaultProperties.getMaxStackSize()
+                                && thisAccessor.getMaxStackSize() == defaultProperties.getMaxStackSize()
                 ) {
                     this.properties.stacksTo(item.getMaxStackSize());
                 }
                 if (
-                    item.getFoodProperties() != null
-                        && thisAccessor.getFoodProperties() == null
+                        item.getFoodProperties() != null
+                                && thisAccessor.getFoodProperties() == null
                 ) {
                     this.properties.food(item.getFoodProperties());
                 }
                 if (
-                    item.isFireResistant() && !thisAccessor.isFireResistant()
+                        item.isFireResistant() && !thisAccessor.isFireResistant()
                 ) {
                     this.properties.fireResistant();
                 }
diff --git a/fabric/src/test/generated/resources/.cache/2fc0a18b1befa47ffaddca78faee788f5ecfb9cb b/fabric/src/test/generated/resources/.cache/2fc0a18b1befa47ffaddca78faee788f5ecfb9cb
new file mode 100644
index 0000000..53487f4
--- /dev/null
+++ b/fabric/src/test/generated/resources/.cache/2fc0a18b1befa47ffaddca78faee788f5ecfb9cb
@@ -0,0 +1,3 @@
+// 1.20.1	2024-08-31T15:38:52.951909	AnvilLib Test/Recipes
+4cd064cbd4fa1437c2a145d2176b2cbb5b7ccc06 data/anvil-lib-test/advancements/recipes/misc/test.json
+5ff54d03f1e14bdfe21d703af7ab8622773d680c data/anvil-lib-test/recipes/test.json
diff --git a/fabric/src/test/generated/resources/.cache/af8f5f55c1320d7b783487b0749ad66525e7e7eb b/fabric/src/test/generated/resources/.cache/af8f5f55c1320d7b783487b0749ad66525e7e7eb
new file mode 100644
index 0000000..1f8497e
--- /dev/null
+++ b/fabric/src/test/generated/resources/.cache/af8f5f55c1320d7b783487b0749ad66525e7e7eb
@@ -0,0 +1,2 @@
+// 1.20.1	2024-08-31T15:38:52.958558	AnvilLib Test/UpsideDownLanguage
+4f2270cb5b55f19f5fd5a278fec75b064631cbfa assets/anvil-lib-test/lang/en_ud.json
diff --git a/fabric/src/test/generated/resources/.cache/be0358542ac885878a467772a460af89c9bc4d44 b/fabric/src/test/generated/resources/.cache/be0358542ac885878a467772a460af89c9bc4d44
new file mode 100644
index 0000000..dc9eac3
--- /dev/null
+++ b/fabric/src/test/generated/resources/.cache/be0358542ac885878a467772a460af89c9bc4d44
@@ -0,0 +1,2 @@
+// 1.20.1	2024-08-31T15:38:52.956432	AnvilLib Test/Language
+5cca06a243afdcb758b4e9b0c89bb9a8e102719d assets/anvil-lib-test/lang/en_us.json
diff --git a/fabric/src/test/generated/resources/assets/anvil-lib-test/lang/en_ud.json b/fabric/src/test/generated/resources/assets/anvil-lib-test/lang/en_ud.json
new file mode 100644
index 0000000..6c5dafa
--- /dev/null
+++ b/fabric/src/test/generated/resources/assets/anvil-lib-test/lang/en_ud.json
@@ -0,0 +1,3 @@
+{
+  "item.anvil-lib-test.test": "ʇsǝ⟘"
+}
\ No newline at end of file
diff --git a/fabric/src/test/generated/resources/assets/anvil-lib-test/lang/en_us.json b/fabric/src/test/generated/resources/assets/anvil-lib-test/lang/en_us.json
new file mode 100644
index 0000000..a5ea16b
--- /dev/null
+++ b/fabric/src/test/generated/resources/assets/anvil-lib-test/lang/en_us.json
@@ -0,0 +1,3 @@
+{
+  "item.anvil-lib-test.test": "Test"
+}
\ No newline at end of file
diff --git a/fabric/src/test/generated/resources/data/anvil-lib-test/advancements/recipes/misc/test.json b/fabric/src/test/generated/resources/data/anvil-lib-test/advancements/recipes/misc/test.json
new file mode 100644
index 0000000..48d4c43
--- /dev/null
+++ b/fabric/src/test/generated/resources/data/anvil-lib-test/advancements/recipes/misc/test.json
@@ -0,0 +1,35 @@
+{
+  "parent": "minecraft:recipes/root",
+  "criteria": {
+    "has_apple": {
+      "conditions": {
+        "items": [
+          {
+            "items": [
+              "minecraft:apple"
+            ]
+          }
+        ]
+      },
+      "trigger": "minecraft:inventory_changed"
+    },
+    "has_the_recipe": {
+      "conditions": {
+        "recipe": "anvil-lib-test:test"
+      },
+      "trigger": "minecraft:recipe_unlocked"
+    }
+  },
+  "requirements": [
+    [
+      "has_apple",
+      "has_the_recipe"
+    ]
+  ],
+  "rewards": {
+    "recipes": [
+      "anvil-lib-test:test"
+    ]
+  },
+  "sends_telemetry_event": false
+}
\ No newline at end of file
diff --git a/fabric/src/test/generated/resources/data/anvil-lib-test/recipes/test.json b/fabric/src/test/generated/resources/data/anvil-lib-test/recipes/test.json
new file mode 100644
index 0000000..d9aef35
--- /dev/null
+++ b/fabric/src/test/generated/resources/data/anvil-lib-test/recipes/test.json
@@ -0,0 +1,18 @@
+{
+  "type": "minecraft:crafting_shaped",
+  "category": "misc",
+  "key": {
+    "x": {
+      "item": "minecraft:apple"
+    }
+  },
+  "pattern": [
+    "xxx",
+    "xxx",
+    "xxx"
+  ],
+  "result": {
+    "item": "anvil-lib-test:test"
+  },
+  "show_notification": true
+}
\ No newline at end of file
diff --git a/fabric/src/test/java/dev/anvilcraft/lib/test/AnvilLibTestDataGenerator.java b/fabric/src/test/java/dev/anvilcraft/lib/test/AnvilLibTestDataGenerator.java
index 036d21c..55ab76b 100644
--- a/fabric/src/test/java/dev/anvilcraft/lib/test/AnvilLibTestDataGenerator.java
+++ b/fabric/src/test/java/dev/anvilcraft/lib/test/AnvilLibTestDataGenerator.java
@@ -2,10 +2,11 @@
 
 import net.fabricmc.fabric.api.datagen.v1.DataGeneratorEntrypoint;
 import net.fabricmc.fabric.api.datagen.v1.FabricDataGenerator;
+import org.jetbrains.annotations.NotNull;
 
 public class AnvilLibTestDataGenerator implements DataGeneratorEntrypoint {
     @Override
-    public void onInitializeDataGenerator(FabricDataGenerator fabricDataGenerator) {
-        AnvilLibTest.REGISTRATOR.initDatagen(fabricDataGenerator);
+    public void onInitializeDataGenerator(@NotNull FabricDataGenerator fabricDataGenerator) {
+        AnvilLibTest.REGISTRATOR.initDatagen(fabricDataGenerator.createPack());
     }
 }
diff --git a/fabric/src/test/java/dev/anvilcraft/lib/test/TestRegisters.java b/fabric/src/test/java/dev/anvilcraft/lib/test/TestRegisters.java
index abb6ecb..f5184b8 100644
--- a/fabric/src/test/java/dev/anvilcraft/lib/test/TestRegisters.java
+++ b/fabric/src/test/java/dev/anvilcraft/lib/test/TestRegisters.java
@@ -5,6 +5,7 @@
 import dev.anvilcraft.lib.registrator.entry.TagKeyEntry;
 import net.minecraft.core.registries.Registries;
 import net.minecraft.data.recipes.RecipeCategory;
+import net.minecraft.data.recipes.RecipeProvider;
 import net.minecraft.data.recipes.ShapedRecipeBuilder;
 import net.minecraft.world.item.Item;
 import net.minecraft.world.item.Items;
@@ -27,6 +28,7 @@ public class TestRegisters {
                     .pattern("xxx")
                     .pattern("xxx")
                     .define('x', Items.APPLE)
+                    .unlockedBy("has_apple", RecipeProvider.has(Items.APPLE))
                     .save(provider))
             .register();