diff --git a/core/src/main/java/net/momirealms/craftengine/core/plugin/context/event/EventFunctions.java b/core/src/main/java/net/momirealms/craftengine/core/plugin/context/event/EventFunctions.java
index fbc8a4e69..4ddd76b8e 100644
--- a/core/src/main/java/net/momirealms/craftengine/core/plugin/context/event/EventFunctions.java
+++ b/core/src/main/java/net/momirealms/craftengine/core/plugin/context/event/EventFunctions.java
@@ -58,6 +58,7 @@ public class EventFunctions {
         register(CommonFunctions.SET_EXP, new SetExpFunction.FactoryImpl<>(EventConditions::fromMap));
         register(CommonFunctions.SET_LEVEL, new SetLevelFunction.FactoryImpl<>(EventConditions::fromMap));
         register(CommonFunctions.PLAY_TOTEM_ANIMATION, new PlayTotemAnimationFunction.FactoryImpl<>(EventConditions::fromMap));
+        register(CommonFunctions.CLOSE_INVENTORY, new CloseInventoryFunction.FactoryImpl<>(EventConditions::fromMap));
     }
 
     public static void register(Key key, FunctionFactory<Context> factory) {
diff --git a/core/src/main/java/net/momirealms/craftengine/core/plugin/context/function/CloseInventoryFunction.java b/core/src/main/java/net/momirealms/craftengine/core/plugin/context/function/CloseInventoryFunction.java
new file mode 100644
index 000000000..2b052af0f
--- /dev/null
+++ b/core/src/main/java/net/momirealms/craftengine/core/plugin/context/function/CloseInventoryFunction.java
@@ -0,0 +1,50 @@
+package net.momirealms.craftengine.core.plugin.context.function;
+
+import net.momirealms.craftengine.core.entity.player.Player;
+import net.momirealms.craftengine.core.plugin.context.Condition;
+import net.momirealms.craftengine.core.plugin.context.Context;
+import net.momirealms.craftengine.core.plugin.context.parameter.DirectContextParameters;
+import net.momirealms.craftengine.core.plugin.context.selector.PlayerSelector;
+import net.momirealms.craftengine.core.plugin.context.selector.PlayerSelectors;
+import net.momirealms.craftengine.core.util.Key;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.List;
+import java.util.Map;
+
+public class CloseInventoryFunction<CTX extends Context> extends AbstractConditionalFunction<CTX> {
+    private final PlayerSelector<CTX> selector;
+
+    public CloseInventoryFunction(List<Condition<CTX>> predicates, @Nullable PlayerSelector<CTX> selector) {
+        super(predicates);
+        this.selector = selector;
+    }
+
+    @Override
+    public void runInternal(CTX ctx) {
+        if (this.selector == null) {
+            ctx.getOptionalParameter(DirectContextParameters.PLAYER).ifPresent(Player::closeInventory);
+        } else {
+            for (Player viewer : this.selector.get(ctx)) {
+                viewer.closeInventory();
+            }
+        }
+    }
+
+    @Override
+    public Key type() {
+        return CommonFunctions.TITLE;
+    }
+
+    public static class FactoryImpl<CTX extends Context> extends AbstractFactory<CTX> {
+
+        public FactoryImpl(java.util.function.Function<Map<String, Object>, Condition<CTX>> factory) {
+            super(factory);
+        }
+
+        @Override
+        public Function<CTX> create(Map<String, Object> arguments) {
+            return new CloseInventoryFunction<>(getPredicates(arguments), PlayerSelectors.fromObject(arguments.get("target"), conditionFactory()));
+        }
+    }
+}
diff --git a/core/src/main/java/net/momirealms/craftengine/core/plugin/context/function/CommonFunctions.java b/core/src/main/java/net/momirealms/craftengine/core/plugin/context/function/CommonFunctions.java
index 937534105..128799962 100644
--- a/core/src/main/java/net/momirealms/craftengine/core/plugin/context/function/CommonFunctions.java
+++ b/core/src/main/java/net/momirealms/craftengine/core/plugin/context/function/CommonFunctions.java
@@ -49,4 +49,5 @@ public final class CommonFunctions {
     public static final Key SET_EXP = Key.of("craftengine:set_exp");
     public static final Key SET_LEVEL = Key.of("craftengine:set_level");
     public static final Key PLAY_TOTEM_ANIMATION = Key.of("craftengine:play_totem_animation");
+    public static final Key CLOSE_INVENTORY = Key.of("craftengine:close_inventory");
 }