diff --git a/src/decorators/fetchToState.test.ts b/src/decorators/fetchToState.test.ts
index b5894f7..d2e8be4 100644
--- a/src/decorators/fetchToState.test.ts
+++ b/src/decorators/fetchToState.test.ts
@@ -10,7 +10,7 @@ describe('fetchToState', () => {
     it('should fetch data and set new state', () => {
         const listResponse: string[] = ['test', 'test2'];
 
-        @useEventrix
+        @useEventrix()
         class FetchToStateTestClass {
             eventrix: EventrixI;
 
@@ -36,7 +36,7 @@ describe('fetchToState', () => {
         const initialState: string[] = ['test', 'test2'];
         const expectedState: string[] = ['test', 'test2', 'test3'];
 
-        @useEventrix
+        @useEventrix()
         class FetchToStateTestClass2 {
             eventrix: EventrixI;
 
diff --git a/src/decorators/listener.test.ts b/src/decorators/listener.test.ts
index 7f8e3ec..2fdccfc 100644
--- a/src/decorators/listener.test.ts
+++ b/src/decorators/listener.test.ts
@@ -11,7 +11,7 @@ describe('listener', () => {
         const callback = jest.fn();
         const data: string[] = ['test'];
 
-        @useEventrix
+        @useEventrix()
         class FetchToStateTestClass {
             eventrix: EventrixI;
 
@@ -37,7 +37,7 @@ describe('listener', () => {
         const extendCallback = jest.fn();
         const extendEventData: string[] = ['test', 'test2'];
 
-        @useEventrix
+        @useEventrix()
         class FetchToStateTestClass {
             eventrix: EventrixI;
 
diff --git a/src/decorators/receiver.test.ts b/src/decorators/receiver.test.ts
index cec7f89..8bac0e6 100644
--- a/src/decorators/receiver.test.ts
+++ b/src/decorators/receiver.test.ts
@@ -10,7 +10,7 @@ describe('receiver', () => {
     it('should set new state', () => {
         const listResponse = ['test', 'test2'];
 
-        @useEventrix
+        @useEventrix()
         class FetchToStateTestClass {
             eventrix: EventrixI;
 
@@ -36,7 +36,7 @@ describe('receiver', () => {
         const initialState = ['test', 'test2'];
         const expectedState = ['test', 'test2', 'test3'];
 
-        @useEventrix
+        @useEventrix()
         class FetchToStateTestClass2 {
             eventrix: EventrixI;
 
diff --git a/src/decorators/useEventrix.test.ts b/src/decorators/useEventrix.test.ts
index 4dee3ad..ef742b5 100644
--- a/src/decorators/useEventrix.test.ts
+++ b/src/decorators/useEventrix.test.ts
@@ -4,7 +4,7 @@ import { EventrixI } from '../interfaces';
 
 describe('useEventrix', () => {
     it('should add eventrix to class instance', () => {
-        @useEventrix
+        @useEventrix()
         class FetchToStateTestClass {
             ajax: any;
             eventrix: EventrixI;
@@ -17,4 +17,22 @@ describe('useEventrix', () => {
         const testClassInstance = new FetchToStateTestClass({ eventrix, ajax: jest.fn() });
         expect(testClassInstance.eventrix).toEqual(eventrix);
     });
+
+    it('should be able to specify key of eventrix service and add eventrix to class instance', () => {
+        @useEventrix('eventrixService')
+        class FetchToStateTestClass {
+            ajax: any;
+            eventrix: EventrixI;
+
+            constructor(servcices: { ajax: any; eventrixService: EventrixI }) {
+                this.ajax = servcices.ajax;
+            }
+        }
+        const eventrix = new Eventrix({});
+        const testClassInstance = new FetchToStateTestClass({
+            eventrixService: eventrix,
+            ajax: jest.fn(),
+        });
+        expect(testClassInstance.eventrix).toEqual(eventrix);
+    });
 });
diff --git a/src/decorators/useEventrix.ts b/src/decorators/useEventrix.ts
index bc5d858..4ea6137 100644
--- a/src/decorators/useEventrix.ts
+++ b/src/decorators/useEventrix.ts
@@ -31,33 +31,35 @@ export interface EventrixClassI {
     [key: string]: any;
 }
 
-function useEventrix(targetClass: any) {
-    const original: EventrixClassI = targetClass;
-    const eventrixClass: any = function (services: ServicesI, ...args: any[]) {
-        const classInstance = new original(services, ...args);
-        classInstance.eventrix = services.eventrix;
-        if (Array.isArray(classInstance.eventrixReceivers)) {
-            classInstance.eventrixReceivers.forEach(({ eventsNames, name }) => {
-                classInstance[name] = classInstance[name].bind(classInstance);
-                classInstance.eventrix!.useReceiver(new EventsReceiver(eventsNames, classInstance[name]));
-            });
-        }
-        if (Array.isArray(classInstance.eventrixFetchToStateReceivers)) {
-            classInstance.eventrixFetchToStateReceivers.forEach(({ eventName, statePath, name }) => {
-                classInstance[name] = classInstance[name].bind(classInstance);
-                classInstance.eventrix!.useReceiver(fetchToStateReceiver(eventName, statePath, classInstance[name]));
-            });
-        }
-        if (Array.isArray(classInstance.eventrixListeners)) {
-            classInstance.eventrixListeners.forEach(({ eventName, name }) => {
-                classInstance[name] = classInstance[name].bind(classInstance);
-                classInstance.eventrix!.listen(eventName, classInstance[name]);
-            });
-        }
-        return classInstance;
+function useEventrix(eventrixServiceKey = 'eventrix') {
+    return function (targetClass: any) {
+        const original: EventrixClassI = targetClass;
+        const eventrixClass: any = function (services: ServicesI, ...args: any[]) {
+            const classInstance = new original(services, ...args);
+            classInstance.eventrix = services[eventrixServiceKey];
+            if (Array.isArray(classInstance.eventrixReceivers)) {
+                classInstance.eventrixReceivers.forEach(({ eventsNames, name }) => {
+                    classInstance[name] = classInstance[name].bind(classInstance);
+                    classInstance.eventrix!.useReceiver(new EventsReceiver(eventsNames, classInstance[name]));
+                });
+            }
+            if (Array.isArray(classInstance.eventrixFetchToStateReceivers)) {
+                classInstance.eventrixFetchToStateReceivers.forEach(({ eventName, statePath, name }) => {
+                    classInstance[name] = classInstance[name].bind(classInstance);
+                    classInstance.eventrix!.useReceiver(fetchToStateReceiver(eventName, statePath, classInstance[name]));
+                });
+            }
+            if (Array.isArray(classInstance.eventrixListeners)) {
+                classInstance.eventrixListeners.forEach(({ eventName, name }) => {
+                    classInstance[name] = classInstance[name].bind(classInstance);
+                    classInstance.eventrix!.listen(eventName, classInstance[name]);
+                });
+            }
+            return classInstance;
+        };
+        eventrixClass.prototype = original.prototype;
+        return eventrixClass;
     };
-    eventrixClass.prototype = original.prototype;
-    return eventrixClass;
 }
 
 export default useEventrix;