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/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;