diff --git a/.changeset/long-pumpkins-walk.md b/.changeset/long-pumpkins-walk.md
new file mode 100644
index 0000000000..0ccad4d678
--- /dev/null
+++ b/.changeset/long-pumpkins-walk.md
@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-kubernetes-backend': patch
+---
+
+Added a new `customResources` field to the ClusterDetails interface, in order to specify (override) custom resources per cluster
diff --git a/docs/features/kubernetes/configuration.md b/docs/features/kubernetes/configuration.md
index dc541c5c50..04a04304f9 100644
--- a/docs/features/kubernetes/configuration.md
+++ b/docs/features/kubernetes/configuration.md
@@ -31,6 +31,10 @@ kubernetes:
           dashboardUrl: http://127.0.0.1:64713 # url copied from running the command: minikube service kubernetes-dashboard -n kubernetes-dashboard
           dashboardApp: standard
           caData: ${K8S_CONFIG_CA_DATA}
+          customResources:
+            - group: 'argoproj.io'
+              apiVersion: 'v1alpha1'
+              plural: 'rollouts'
         - url: http://127.0.0.2:9999
           name: aws-cluster-1
           authProvider: 'aws'
@@ -254,6 +258,11 @@ See also
 https://cloud.google.com/kubernetes-engine/docs/how-to/api-server-authentication#environments-without-gcloud
 for complete docs about GKE without `gcloud`.
 
+##### `clusters.\*.customResources` (optional)
+
+Configures which [custom resources][3] to look for when returning an entity's
+Kubernetes resources belonging to the cluster. Same specification as [`customResources`](#customresources-optional)
+
 #### `gke`
 
 This cluster locator is designed to work with Kubernetes clusters running in
@@ -327,9 +336,13 @@ it is also possible to implement a
 
 ### `customResources` (optional)
 
-Configures which [custom resources][3] to look for when returning an entity's
+Configures which [custom resources][3] to look for by default when returning an entity's
 Kubernetes resources.
 
+**Notes:**
+
+- The optional `kubernetes.customResources` property is overrode by `customResources` at the [clusters level](#clusterscustomresources-optional).
+
 Defaults to empty array. Example:
 
 ```yaml
diff --git a/plugins/kubernetes-backend/api-report.md b/plugins/kubernetes-backend/api-report.md
index 15b1cef853..03ecefa79d 100644
--- a/plugins/kubernetes-backend/api-report.md
+++ b/plugins/kubernetes-backend/api-report.md
@@ -35,6 +35,7 @@ export interface ClusterDetails {
   authProvider: string;
   // (undocumented)
   caData?: string | undefined;
+  customResources?: CustomResourceMatcher[];
   dashboardApp?: string;
   dashboardParameters?: JsonObject;
   dashboardUrl?: string;
diff --git a/plugins/kubernetes-backend/src/service/KubernetesFanOutHandler.test.ts b/plugins/kubernetes-backend/src/service/KubernetesFanOutHandler.test.ts
index 176498839d..04256ed3dc 100644
--- a/plugins/kubernetes-backend/src/service/KubernetesFanOutHandler.test.ts
+++ b/plugins/kubernetes-backend/src/service/KubernetesFanOutHandler.test.ts
@@ -15,7 +15,11 @@
  */
 
 import { getVoidLogger } from '@backstage/backend-common';
-import { ClusterDetails, ObjectFetchParams } from '../types/types';
+import {
+  ClusterDetails,
+  CustomResource,
+  ObjectFetchParams,
+} from '../types/types';
 import { KubernetesFanOutHandler } from './KubernetesFanOutHandler';
 import { PodStatus } from '@kubernetes/client-node/dist/top';
 
@@ -56,6 +60,108 @@ const mockMetrics = (mock: jest.Mock) => {
   );
 };
 
+const entity = {
+  apiVersion: 'backstage.io/v1beta1',
+  kind: 'Component',
+  metadata: {
+    name: 'test-component',
+    annotations: {
+      'backstage.io/kubernetes-labels-selector':
+        'backstage.io/test-label=test-component',
+    },
+  },
+  spec: {
+    type: 'service',
+    lifecycle: 'production',
+    owner: 'joe',
+  },
+};
+
+const cluster1 = {
+  name: 'test-cluster',
+  authProvider: 'serviceAccount',
+  customResources: [
+    {
+      group: 'some-other-crd.example.com',
+      apiVersion: 'v1alpha1',
+      plural: 'some-crd-only-on-this-cluster',
+    },
+  ],
+};
+
+const cluster2 = {
+  name: 'cluster-two',
+  authProvider: 'serviceAccount',
+  customResources: [
+    {
+      group: 'crd-two.example.com',
+      apiVersion: 'v1alpha1',
+      plural: 'crd-two-plural',
+    },
+  ],
+};
+
+function resourcesByCluster(clusterName: string) {
+  return [
+    {
+      resources: [
+        {
+          metadata: {
+            name: `my-pods-test-component-${clusterName}`,
+            namespace: `ns-test-component-${clusterName}`,
+          },
+        },
+      ],
+      type: 'pods',
+    },
+    {
+      resources: [
+        {
+          metadata: {
+            name: `my-configmaps-test-component-${clusterName}`,
+            namespace: `ns-test-component-${clusterName}`,
+          },
+        },
+      ],
+      type: 'configmaps',
+    },
+    {
+      resources: [
+        {
+          metadata: {
+            name: `my-services-test-component-${clusterName}`,
+            namespace: `ns-test-component-${clusterName}`,
+          },
+        },
+      ],
+      type: 'services',
+    },
+  ];
+}
+
+function mockFetchAndGetKubernetesFanOutHandler(
+  customResources: CustomResource[],
+) {
+  mockFetch(fetchObjectsForService);
+  mockMetrics(fetchPodMetricsByNamespace);
+
+  return getKubernetesFanOutHandler(customResources);
+}
+
+function getKubernetesFanOutHandler(customResources: CustomResource[]) {
+  return new KubernetesFanOutHandler({
+    logger: getVoidLogger(),
+    fetcher: {
+      fetchObjectsForService,
+      fetchPodMetricsByNamespace,
+    },
+    serviceLocator: {
+      getClustersByEntity,
+    },
+    customResources: customResources,
+  });
+}
+
 function generatePodStatus(
   _clusterName: string,
   _namespace: string,
@@ -160,7 +266,7 @@ function generateMockResourcesAndErrors(
   };
 }
 
-describe('handleGetKubernetesObjectsForService', () => {
+describe('getKubernetesObjectsByEntity', () => {
   beforeEach(() => {
     jest.resetAllMocks();
   });
@@ -177,38 +283,10 @@ describe('handleGetKubernetesObjectsForService', () => {
       }),
     );
 
-    mockFetch(fetchObjectsForService);
-    mockMetrics(fetchPodMetricsByNamespace);
-
-    const sut = new KubernetesFanOutHandler({
-      logger: getVoidLogger(),
-      fetcher: {
-        fetchObjectsForService,
-        fetchPodMetricsByNamespace,
-      },
-      serviceLocator: {
-        getClustersByEntity,
-      },
-      customResources: [],
-    });
+    const sut = mockFetchAndGetKubernetesFanOutHandler([]);
 
     const result = await sut.getKubernetesObjectsByEntity({
-      entity: {
-        apiVersion: 'backstage.io/v1beta1',
-        kind: 'Component',
-        metadata: {
-          name: 'test-component',
-          annotations: {
-            'backstage.io/kubernetes-labels-selector':
-              'backstage.io/test-label=test-component',
-          },
-        },
-        spec: {
-          type: 'service',
-          lifecycle: 'production',
-          owner: 'joe',
-        },
-      },
+      entity,
       auth: {},
     });
 
@@ -227,46 +305,91 @@ describe('handleGetKubernetesObjectsForService', () => {
           },
           errors: [],
           podMetrics: [POD_METRICS_FIXTURE],
-          resources: [
-            {
-              resources: [
-                {
-                  metadata: {
-                    name: 'my-pods-test-component-test-cluster',
-                    namespace: 'ns-test-component-test-cluster',
-                  },
-                },
-              ],
-              type: 'pods',
-            },
-            {
-              resources: [
-                {
-                  metadata: {
-                    name: 'my-configmaps-test-component-test-cluster',
-                    namespace: 'ns-test-component-test-cluster',
-                  },
-                },
-              ],
-              type: 'configmaps',
-            },
-            {
-              resources: [
-                {
-                  metadata: {
-                    name: 'my-services-test-component-test-cluster',
-                    namespace: 'ns-test-component-test-cluster',
-                  },
-                },
-              ],
-              type: 'services',
-            },
-          ],
+          resources: resourcesByCluster('test-cluster'),
         },
       ],
     });
   });
 
+  it('retrieve objects for one cluster using customResources per cluster', async () => {
+    getClustersByEntity.mockImplementation(() =>
+      Promise.resolve({
+        clusters: [cluster1],
+      }),
+    );
+
+    const sut = mockFetchAndGetKubernetesFanOutHandler([]);
+
+    await sut.getKubernetesObjectsByEntity({
+      entity,
+      auth: {},
+    });
+
+    expect(fetchObjectsForService.mock.calls.length).toBe(1);
+    expect(fetchObjectsForService.mock.calls[0][0].customResources.length).toBe(
+      1,
+    );
+  });
+
+  it('retrieve objects for two cluster using customResources per cluster', async () => {
+    getClustersByEntity.mockImplementation(() =>
+      Promise.resolve({
+        clusters: [cluster1, cluster2],
+      }),
+    );
+
+    const sut = mockFetchAndGetKubernetesFanOutHandler([]);
+
+    await sut.getKubernetesObjectsByEntity({
+      entity,
+      auth: {},
+    });
+
+    expect(fetchObjectsForService.mock.calls.length).toBe(2);
+    expect(
+      fetchObjectsForService.mock.calls[0][0].customResources[0].group,
+    ).toBe('some-other-crd.example.com');
+    expect(
+      fetchObjectsForService.mock.calls[1][0].customResources[0].group,
+    ).toBe('crd-two.example.com');
+  });
+
+  it('retrieve objects for two cluster using customResources globally and per cluster', async () => {
+    getClustersByEntity.mockImplementation(() =>
+      Promise.resolve({
+        clusters: [
+          {
+            name: 'test-cluster',
+            authProvider: 'serviceAccount',
+          },
+          cluster2,
+        ],
+      }),
+    );
+
+    const sut = mockFetchAndGetKubernetesFanOutHandler([
+      {
+        objectType: 'customresources',
+        group: 'some-group',
+        apiVersion: 'v2',
+        plural: 'things',
+      },
+    ]);
+
+    await sut.getKubernetesObjectsByEntity({
+      entity,
+      auth: {},
+    });
+
+    expect(fetchObjectsForService.mock.calls.length).toBe(2);
+    expect(
+      fetchObjectsForService.mock.calls[0][0].customResources[0].group,
+    ).toBe('some-group');
+    expect(
+      fetchObjectsForService.mock.calls[1][0].customResources[0].group,
+    ).toBe('crd-two.example.com');
+  });
+
   it('dont call top for the same namespace twice', async () => {
     getClustersByEntity.mockImplementation(() =>
       Promise.resolve({
@@ -312,35 +435,10 @@ describe('handleGetKubernetesObjectsForService', () => {
 
     mockMetrics(fetchPodMetricsByNamespace);
 
-    const sut = new KubernetesFanOutHandler({
-      logger: getVoidLogger(),
-      fetcher: {
-        fetchObjectsForService,
-        fetchPodMetricsByNamespace,
-      },
-      serviceLocator: {
-        getClustersByEntity,
-      },
-      customResources: [],
-    });
+    const sut = getKubernetesFanOutHandler([]);
 
     const result = await sut.getKubernetesObjectsByEntity({
-      entity: {
-        apiVersion: 'backstage.io/v1beta1',
-        kind: 'Component',
-        metadata: {
-          name: 'test-component',
-          annotations: {
-            'backstage.io/kubernetes-labels-selector':
-              'backstage.io/test-label=test-component',
-          },
-        },
-        spec: {
-          type: 'service',
-          lifecycle: 'production',
-          owner: 'joe',
-        },
-      },
+      entity,
       auth: {},
     });
 
@@ -405,38 +503,10 @@ describe('handleGetKubernetesObjectsForService', () => {
       }),
     );
 
-    mockFetch(fetchObjectsForService);
-    mockMetrics(fetchPodMetricsByNamespace);
-
-    const sut = new KubernetesFanOutHandler({
-      logger: getVoidLogger(),
-      fetcher: {
-        fetchObjectsForService,
-        fetchPodMetricsByNamespace,
-      },
-      serviceLocator: {
-        getClustersByEntity,
-      },
-      customResources: [],
-    });
+    const sut = mockFetchAndGetKubernetesFanOutHandler([]);
 
     const result = await sut.getKubernetesObjectsByEntity({
-      entity: {
-        apiVersion: 'backstage.io/v1beta1',
-        kind: 'Component',
-        metadata: {
-          name: 'test-component',
-          annotations: {
-            'backstage.io/kubernetes-labels-selector':
-              'backstage.io/test-label=test-component',
-          },
-        },
-        spec: {
-          type: 'service',
-          lifecycle: 'production',
-          owner: 'joe',
-        },
-      },
+      entity,
       auth: {
         google: 'google_token_123',
       },
@@ -453,41 +523,7 @@ describe('handleGetKubernetesObjectsForService', () => {
           },
           errors: [],
           podMetrics: [POD_METRICS_FIXTURE],
-          resources: [
-            {
-              resources: [
-                {
-                  metadata: {
-                    name: 'my-pods-test-component-test-cluster',
-                    namespace: 'ns-test-component-test-cluster',
-                  },
-                },
-              ],
-              type: 'pods',
-            },
-            {
-              resources: [
-                {
-                  metadata: {
-                    name: 'my-configmaps-test-component-test-cluster',
-                    namespace: 'ns-test-component-test-cluster',
-                  },
-                },
-              ],
-              type: 'configmaps',
-            },
-            {
-              resources: [
-                {
-                  metadata: {
-                    name: 'my-services-test-component-test-cluster',
-                    namespace: 'ns-test-component-test-cluster',
-                  },
-                },
-              ],
-              type: 'services',
-            },
-          ],
+          resources: resourcesByCluster('test-cluster'),
         },
         {
           cluster: {
@@ -495,41 +531,7 @@ describe('handleGetKubernetesObjectsForService', () => {
           },
           errors: [],
           podMetrics: [POD_METRICS_FIXTURE],
-          resources: [
-            {
-              resources: [
-                {
-                  metadata: {
-                    name: 'my-pods-test-component-other-cluster',
-                    namespace: 'ns-test-component-other-cluster',
-                  },
-                },
-              ],
-              type: 'pods',
-            },
-            {
-              resources: [
-                {
-                  metadata: {
-                    name: 'my-configmaps-test-component-other-cluster',
-                    namespace: 'ns-test-component-other-cluster',
-                  },
-                },
-              ],
-              type: 'configmaps',
-            },
-            {
-              resources: [
-                {
-                  metadata: {
-                    name: 'my-services-test-component-other-cluster',
-                    namespace: 'ns-test-component-other-cluster',
-                  },
-                },
-              ],
-              type: 'services',
-            },
-          ],
+          resources: resourcesByCluster('other-cluster'),
         },
       ],
     });
@@ -554,38 +556,10 @@ describe('handleGetKubernetesObjectsForService', () => {
       }),
     );
 
-    mockFetch(fetchObjectsForService);
-    mockMetrics(fetchPodMetricsByNamespace);
-
-    const sut = new KubernetesFanOutHandler({
-      logger: getVoidLogger(),
-      fetcher: {
-        fetchObjectsForService,
-        fetchPodMetricsByNamespace,
-      },
-      serviceLocator: {
-        getClustersByEntity,
-      },
-      customResources: [],
-    });
+    const sut = mockFetchAndGetKubernetesFanOutHandler([]);
 
     const result = await sut.getKubernetesObjectsByEntity({
-      entity: {
-        apiVersion: 'backstage.io/v1beta1',
-        kind: 'Component',
-        metadata: {
-          name: 'test-component',
-          annotations: {
-            'backstage.io/kubernetes-labels-selector':
-              'backstage.io/test-label=test-component',
-          },
-        },
-        spec: {
-          type: 'service',
-          lifecycle: 'production',
-          owner: 'joe',
-        },
-      },
+      entity,
       auth: {
         google: 'google_token_123',
       },
@@ -601,41 +575,7 @@ describe('handleGetKubernetesObjectsForService', () => {
           },
           errors: [],
           podMetrics: [POD_METRICS_FIXTURE],
-          resources: [
-            {
-              resources: [
-                {
-                  metadata: {
-                    name: 'my-pods-test-component-test-cluster',
-                    namespace: 'ns-test-component-test-cluster',
-                  },
-                },
-              ],
-              type: 'pods',
-            },
-            {
-              resources: [
-                {
-                  metadata: {
-                    name: 'my-configmaps-test-component-test-cluster',
-                    namespace: 'ns-test-component-test-cluster',
-                  },
-                },
-              ],
-              type: 'configmaps',
-            },
-            {
-              resources: [
-                {
-                  metadata: {
-                    name: 'my-services-test-component-test-cluster',
-                    namespace: 'ns-test-component-test-cluster',
-                  },
-                },
-              ],
-              type: 'services',
-            },
-          ],
+          resources: resourcesByCluster('test-cluster'),
         },
         {
           cluster: {
@@ -643,41 +583,7 @@ describe('handleGetKubernetesObjectsForService', () => {
           },
           errors: [],
           podMetrics: [POD_METRICS_FIXTURE],
-          resources: [
-            {
-              resources: [
-                {
-                  metadata: {
-                    name: 'my-pods-test-component-other-cluster',
-                    namespace: 'ns-test-component-other-cluster',
-                  },
-                },
-              ],
-              type: 'pods',
-            },
-            {
-              resources: [
-                {
-                  metadata: {
-                    name: 'my-configmaps-test-component-other-cluster',
-                    namespace: 'ns-test-component-other-cluster',
-                  },
-                },
-              ],
-              type: 'configmaps',
-            },
-            {
-              resources: [
-                {
-                  metadata: {
-                    name: 'my-services-test-component-other-cluster',
-                    namespace: 'ns-test-component-other-cluster',
-                  },
-                },
-              ],
-              type: 'services',
-            },
-          ],
+          resources: resourcesByCluster('other-cluster'),
         },
       ],
     });
@@ -706,38 +612,10 @@ describe('handleGetKubernetesObjectsForService', () => {
       }),
     );
 
-    mockFetch(fetchObjectsForService);
-    mockMetrics(fetchPodMetricsByNamespace);
-
-    const sut = new KubernetesFanOutHandler({
-      logger: getVoidLogger(),
-      fetcher: {
-        fetchObjectsForService,
-        fetchPodMetricsByNamespace,
-      },
-      serviceLocator: {
-        getClustersByEntity,
-      },
-      customResources: [],
-    });
+    const sut = mockFetchAndGetKubernetesFanOutHandler([]);
 
     const result = await sut.getKubernetesObjectsByEntity({
-      entity: {
-        apiVersion: 'backstage.io/v1beta1',
-        kind: 'Component',
-        metadata: {
-          name: 'test-component',
-          annotations: {
-            'backstage.io/kubernetes-labels-selector':
-              'backstage.io/test-label=test-component',
-          },
-        },
-        spec: {
-          type: 'service',
-          lifecycle: 'production',
-          owner: 'joe',
-        },
-      },
+      entity,
       auth: {
         google: 'google_token_123',
       },
@@ -753,41 +631,7 @@ describe('handleGetKubernetesObjectsForService', () => {
           },
           errors: [],
           podMetrics: [POD_METRICS_FIXTURE],
-          resources: [
-            {
-              resources: [
-                {
-                  metadata: {
-                    name: 'my-pods-test-component-test-cluster',
-                    namespace: 'ns-test-component-test-cluster',
-                  },
-                },
-              ],
-              type: 'pods',
-            },
-            {
-              resources: [
-                {
-                  metadata: {
-                    name: 'my-configmaps-test-component-test-cluster',
-                    namespace: 'ns-test-component-test-cluster',
-                  },
-                },
-              ],
-              type: 'configmaps',
-            },
-            {
-              resources: [
-                {
-                  metadata: {
-                    name: 'my-services-test-component-test-cluster',
-                    namespace: 'ns-test-component-test-cluster',
-                  },
-                },
-              ],
-              type: 'services',
-            },
-          ],
+          resources: resourcesByCluster('test-cluster'),
         },
         {
           cluster: {
@@ -795,41 +639,7 @@ describe('handleGetKubernetesObjectsForService', () => {
           },
           errors: [],
           podMetrics: [POD_METRICS_FIXTURE],
-          resources: [
-            {
-              resources: [
-                {
-                  metadata: {
-                    name: 'my-pods-test-component-other-cluster',
-                    namespace: 'ns-test-component-other-cluster',
-                  },
-                },
-              ],
-              type: 'pods',
-            },
-            {
-              resources: [
-                {
-                  metadata: {
-                    name: 'my-configmaps-test-component-other-cluster',
-                    namespace: 'ns-test-component-other-cluster',
-                  },
-                },
-              ],
-              type: 'configmaps',
-            },
-            {
-              resources: [
-                {
-                  metadata: {
-                    name: 'my-services-test-component-other-cluster',
-                    namespace: 'ns-test-component-other-cluster',
-                  },
-                },
-              ],
-              type: 'services',
-            },
-          ],
+          resources: resourcesByCluster('other-cluster'),
         },
         {
           cluster: {
@@ -856,3 +666,79 @@ describe('handleGetKubernetesObjectsForService', () => {
     });
   });
 });
+
+describe('getCustomResourcesByEntity', () => {
+  beforeEach(() => {
+    jest.resetAllMocks();
+  });
+
+  it('retrieve objects for one cluster using customResources per cluster', async () => {
+    getClustersByEntity.mockImplementation(() =>
+      Promise.resolve({
+        clusters: [cluster1],
+      }),
+    );
+
+    const sut = mockFetchAndGetKubernetesFanOutHandler([]);
+
+    await sut.getCustomResourcesByEntity({
+      entity,
+      auth: {},
+      customResources: [
+        {
+          group: 'parameter-crd.example.com',
+          apiVersion: 'v1alpha1',
+          plural: 'parameter-crd',
+        },
+      ],
+    });
+
+    expect(fetchObjectsForService.mock.calls.length).toBe(1);
+    expect(
+      fetchObjectsForService.mock.calls[0][0].customResources[0].plural,
+    ).toBe('parameter-crd');
+  });
+
+  it('retrieve objects for two cluster using customResources globally and per cluster', async () => {
+    getClustersByEntity.mockImplementation(() =>
+      Promise.resolve({
+        clusters: [
+          {
+            name: 'test-cluster',
+            authProvider: 'serviceAccount',
+          },
+          cluster2,
+        ],
+      }),
+    );
+
+    const sut = mockFetchAndGetKubernetesFanOutHandler([
+      {
+        objectType: 'customresources',
+        group: 'some-group',
+        apiVersion: 'v2',
+        plural: 'things',
+      },
+    ]);
+
+    await sut.getCustomResourcesByEntity({
+      entity,
+      auth: {},
+      customResources: [
+        {
+          group: 'parameter-crd.example.com',
+          apiVersion: 'v1alpha1',
+          plural: 'parameter-crd',
+        },
+      ],
+    });
+
+    expect(fetchObjectsForService.mock.calls.length).toBe(2);
+    expect(
+      fetchObjectsForService.mock.calls[0][0].customResources[0].group,
+    ).toBe('parameter-crd.example.com');
+    expect(
+      fetchObjectsForService.mock.calls[1][0].customResources[0].group,
+    ).toBe('parameter-crd.example.com');
+  });
+});
diff --git a/plugins/kubernetes-backend/src/service/KubernetesFanOutHandler.ts b/plugins/kubernetes-backend/src/service/KubernetesFanOutHandler.ts
index 67748e1506..3b96dc783f 100644
--- a/plugins/kubernetes-backend/src/service/KubernetesFanOutHandler.ts
+++ b/plugins/kubernetes-backend/src/service/KubernetesFanOutHandler.ts
@@ -211,19 +211,14 @@ export class KubernetesFanOutHandler {
     entity,
     auth,
   }: KubernetesObjectsByEntity): Promise<ObjectsByEntityResponse> {
-    return this.fanOutRequests(
-      entity,
-      auth,
-      this.objectTypesToFetch,
-      this.customResources,
-    );
+    return this.fanOutRequests(entity, auth, this.objectTypesToFetch);
   }
 
   private async fanOutRequests(
     entity: Entity,
     auth: KubernetesRequestAuth,
     objectTypesToFetch: Set<ObjectToFetch>,
-    customResources: CustomResourceMatcher[],
+    customResources?: CustomResourceMatcher[],
   ) {
     const entityName =
       entity.metadata?.annotations?.['backstage.io/kubernetes-id'] ||
@@ -254,7 +249,11 @@ export class KubernetesFanOutHandler {
             clusterDetails: clusterDetailsItem,
             objectTypesToFetch: objectTypesToFetch,
             labelSelector,
-            customResources: customResources.map(c => ({
+            customResources: (
+              customResources ||
+              clusterDetailsItem.customResources ||
+              this.customResources
+            ).map(c => ({
               ...c,
               objectType: 'customresources',
             })),
diff --git a/plugins/kubernetes-backend/src/types/types.ts b/plugins/kubernetes-backend/src/types/types.ts
index 0826c4158c..6bdcfc24da 100644
--- a/plugins/kubernetes-backend/src/types/types.ts
+++ b/plugins/kubernetes-backend/src/types/types.ts
@@ -193,6 +193,11 @@ export interface ClusterDetails {
    * @see dashboardApp
    */
   dashboardParameters?: JsonObject;
+  /**
+   * Specifies which custom resources to look for when returning an entity's
+   * Kubernetes resources.
+   */
+  customResources?: CustomResourceMatcher[];
 }
 
 /**