diff --git a/src/app/core/data/google-recaptcha.service.spec.ts b/src/app/core/data/google-recaptcha.service.spec.ts
new file mode 100644
index 0000000000..bc13e3e494
--- /dev/null
+++ b/src/app/core/data/google-recaptcha.service.spec.ts
@@ -0,0 +1,32 @@
+import { GoogleRecaptchaService } from './google-recaptcha.service';
+import { of as observableOf } from 'rxjs';
+
+describe('GoogleRecaptchaService', () => {
+  let service: GoogleRecaptchaService;
+
+  let reCaptchaV3Service;
+
+  function init() {
+    reCaptchaV3Service = jasmine.createSpyObj('reCaptchaV3Service', {
+      execute: observableOf('googleRecaptchaToken')
+    });
+    service = new GoogleRecaptchaService(reCaptchaV3Service);
+  }
+
+  beforeEach(() => {
+    init();
+  });
+
+  describe('getRecaptchaToken', () => {
+    let result;
+
+    beforeEach(() => {
+      result = service.getRecaptchaToken('test');
+    });
+
+    it('should send a Request with action', () => {
+      expect(reCaptchaV3Service.execute).toHaveBeenCalledWith('test');
+    });
+
+  });
+});
diff --git a/src/app/core/data/google-recaptcha.service.ts b/src/app/core/data/google-recaptcha.service.ts
index 1865b6ffbb..edf559d501 100644
--- a/src/app/core/data/google-recaptcha.service.ts
+++ b/src/app/core/data/google-recaptcha.service.ts
@@ -1,6 +1,9 @@
 import { Injectable } from '@angular/core';
 import { ReCaptchaV3Service } from 'ng-recaptcha';
 
+/**
+ * A GoogleRecaptchaService used to send action and get a token from REST
+ */
 @Injectable()
 export class GoogleRecaptchaService {
 
@@ -8,6 +11,10 @@ export class GoogleRecaptchaService {
     private recaptchaV3Service: ReCaptchaV3Service
   ) {}
 
+  /**
+   * Returns an observable of string
+   * @param action action is the process type in which used to protect multiple spam REST calls
+   */
   public getRecaptchaToken (action) {
     return this.recaptchaV3Service.execute(action);
   }