diff --git a/src/UserData/UserDataCollections/UserDataCollectionType.hpp b/src/UserData/UserDataCollections/UserDataCollectionType.hpp
index 6f12ed2..da4271b 100644
--- a/src/UserData/UserDataCollections/UserDataCollectionType.hpp
+++ b/src/UserData/UserDataCollections/UserDataCollectionType.hpp
@@ -33,6 +33,11 @@ namespace Porygon::UserData {
             return make_shared<UserDataCollectionType>(nullptr, valueType, false, true);
         }
 
+        static UserDataCollectionType * CreateIterable(const ScriptType* valueType){
+            return new UserDataCollectionType(nullptr, shared_ptr<const ScriptType>(valueType),
+                    false, true);
+        }
+
         bool CanBeIndexedWith(const ScriptType* indexer) const final{
             if (!_indexable){
                 return false;
diff --git a/src/UserData/UserDataCollections/UserDataCollectionValue.cpp b/src/UserData/UserDataCollections/UserDataCollectionValue.cpp
index 3aa1873..9d61a3a 100644
--- a/src/UserData/UserDataCollections/UserDataCollectionValue.cpp
+++ b/src/UserData/UserDataCollections/UserDataCollectionValue.cpp
@@ -1 +1,15 @@
 #include "UserDataCollectionValue.hpp"
+
+namespace Porygon::UserData{
+extern "C" {
+UserDataCollectionType* CreateCollectionType(const ScriptType* keyType, const ScriptType* valueType){
+    return UserDataCollectionType::CreateIndexable(keyType, valueType);
+}
+UserDataCollectionValue* CreateCollectionValue(UserDataCollectionType* type, void* obj,
+                                               const EvalValue* (*get)(void*, const EvalValue*),
+                                               void (*set)(void*, const EvalValue*, const EvalValue*),
+                                               Iterator* (*getIterator)(void*)){
+    return new UserDataCollectionValue(type, new UserDataCollectionHelper(obj, get, set, getIterator));
+}
+}
+}