diff --git a/front/src/iframe_api.d.ts b/front/src/iframe_api.d.ts
new file mode 100644
index 00000000..953c92d2
--- /dev/null
+++ b/front/src/iframe_api.d.ts
@@ -0,0 +1,25 @@
+import type { WorkadventureImport } from './iframe_api';
+
+type PromiseReturnType<P> = P extends Promise<infer T> ? T : P;
+type WorkadventureCommandClasses = PromiseReturnType<WorkadventureImport>[number]["default"];
+type KeysOfUnion<T> = T extends T ? keyof T : never;
+type ObjectWithKeyOfUnion<Key, O = WorkadventureCommandClasses> = O extends O ? (Key extends keyof O ? O[Key] : never) : never;
+type ApiKeys = KeysOfUnion<WorkadventureCommandClasses>;
+type ObjectOfKey<Key extends ApiKeys, O = WorkadventureCommandClasses> = O extends O ? (Key extends keyof O ? O : never) : never;
+type ShouldAddAttribute<Key extends ApiKeys> = ObjectWithKeyOfUnion<Key>;
+type WorkadventureFunctions = {
+    [K in ApiKeys]: ObjectWithKeyOfUnion<K> extends Function ? K : never;
+}[ApiKeys];
+type WorkadventureFunctionsFilteredByRoot = {
+    [K in WorkadventureFunctions]: ObjectOfKey<K>["addMethodsAtRoot"] extends true ? K : never;
+}[WorkadventureFunctions];
+type JustMethodKeys<T> = ({
+    [P in keyof T]: T[P] extends Function ? P : never;
+})[keyof T];
+type JustMethods<T> = Pick<T, JustMethodKeys<T>>;
+type SubObjectTypes = {
+    [importCl in WorkadventureCommandClasses as importCl["subObjectIdentifier"]]: JustMethods<importCl>;
+};
+export type WorkAdventureApi = {
+    [Key in WorkadventureFunctionsFilteredByRoot]: ShouldAddAttribute<Key>;
+} & SubObjectTypes;
diff --git a/front/src/iframe_api.ts b/front/src/iframe_api.ts
index 0da0099f..136edb8e 100644
--- a/front/src/iframe_api.ts
+++ b/front/src/iframe_api.ts
@@ -1,4 +1,5 @@
 import { IframeResponseEventMap, isIframeResponseEventWrapper } from "./Api/Events/IframeEvent";
+import type { WorkAdventureApi } from './iframe_api.d';
 
 export const registeredCallbacks: { [K in keyof IframeResponseEventMap]?: {
     typeChecker: Function
@@ -16,37 +17,7 @@ const importType = Promise.all([
     import("./Api/iframe/Bubble")
 ])
 
-
-type PromiseReturnType<P> = P extends Promise<infer T> ? T : P
-
-type WorkadventureCommandClasses = PromiseReturnType<typeof importType>[number]["default"];
-
-type KeysOfUnion<T> = T extends T ? keyof T : never
-
-type ObjectWithKeyOfUnion<Key, O = WorkadventureCommandClasses> = O extends O ? (Key extends keyof O ? O[Key] : never) : never
-
-type ApiKeys = KeysOfUnion<WorkadventureCommandClasses>;
-
-type ObjectOfKey<Key extends ApiKeys, O = WorkadventureCommandClasses> = O extends O ? (Key extends keyof O ? O : never) : never
-
-type ShouldAddAttribute<Key extends ApiKeys> = ObjectWithKeyOfUnion<Key>;
-
-type WorkadventureFunctions = { [K in ApiKeys]: ObjectWithKeyOfUnion<K> extends Function ? K : never }[ApiKeys]
-
-type WorkadventureFunctionsFilteredByRoot = { [K in WorkadventureFunctions]: ObjectOfKey<K>["addMethodsAtRoot"] extends true ? K : never }[WorkadventureFunctions]
-
-
-type JustMethodKeys<T> = ({ [P in keyof T]: T[P] extends Function ? P : never })[keyof T];
-type JustMethods<T> = Pick<T, JustMethodKeys<T>>;
-
-type SubObjectTypes = {
-    [importCl in WorkadventureCommandClasses as importCl["subObjectIdentifier"]]: JustMethods<importCl>;
-};
-
-type WorkAdventureApi = {
-    [Key in WorkadventureFunctionsFilteredByRoot]: ShouldAddAttribute<Key>
-} & SubObjectTypes
-
+export type WorkadventureImport = typeof importType
 
 declare global {