diff --git a/src/api/klamm/klamm.controller.spec.ts b/src/api/klamm/klamm.controller.spec.ts
index 4d56aae..db03c80 100644
--- a/src/api/klamm/klamm.controller.spec.ts
+++ b/src/api/klamm/klamm.controller.spec.ts
@@ -15,6 +15,7 @@ describe('KlammController', () => {
           useValue: {
             getKlammBREFields: jest.fn(() => Promise.resolve('expected result')),
             getKlammBREFieldFromName: jest.fn((fieldName) => Promise.resolve(`result for ${fieldName}`)), // Mock implementation
+            _getAllKlammFields: jest.fn(() => Promise.resolve('rules result')),
           },
         },
       ],
@@ -35,4 +36,9 @@ describe('KlammController', () => {
     expect(service.getKlammBREFieldFromName).toHaveBeenCalledWith(fieldName);
     expect(service.getKlammBREFieldFromName).toHaveBeenCalledTimes(1);
   });
+
+  it('should call _getAllKlammFields and return expected result', async () => {
+    expect(await controller.getKlammBRERules()).toBe('rules result');
+    expect(service._getAllKlammFields).toHaveBeenCalledTimes(1);
+  });
 });
diff --git a/src/api/klamm/klamm.controller.ts b/src/api/klamm/klamm.controller.ts
index d44652f..9080f61 100644
--- a/src/api/klamm/klamm.controller.ts
+++ b/src/api/klamm/klamm.controller.ts
@@ -11,6 +11,11 @@ export class KlammController {
     return await this.klammService.getKlammBREFields(searchText);
   }
 
+  @Get('/brerules')
+  async getKlammBRERules() {
+    return await this.klammService._getAllKlammFields();
+  }
+
   @Get('/brefield/:fieldName')
   async getKlammBREFieldFromName(@Param('fieldName') fieldName: string): Promise<KlammField[]> {
     return await this.klammService.getKlammBREFieldFromName(fieldName);