diff --git a/api/v1alpha/datumcluster_types.go b/api/v1alpha/datumcluster_types.go
index f0687be..cc0b32c 100644
--- a/api/v1alpha/datumcluster_types.go
+++ b/api/v1alpha/datumcluster_types.go
@@ -89,6 +89,18 @@ type DatumClusterList struct {
 	Items           []DatumCluster `json:"items"`
 }
 
+type DatumClusterReference struct {
+	// Name of a datum cluster
+	//
+	// +kubebuilder:validation:Required
+	Name string `json:"name"`
+
+	// Namespace for the datum cluster
+	//
+	// +kubebuilder:validation:Required
+	Namespace string `json:"namespace"`
+}
+
 func init() {
 	SchemeBuilder.Register(&DatumCluster{}, &DatumClusterList{})
 }
diff --git a/api/v1alpha/zz_generated.deepcopy.go b/api/v1alpha/zz_generated.deepcopy.go
index 3ab5eec..ed59045 100644
--- a/api/v1alpha/zz_generated.deepcopy.go
+++ b/api/v1alpha/zz_generated.deepcopy.go
@@ -92,6 +92,21 @@ func (in *DatumClusterProvider) DeepCopy() *DatumClusterProvider {
 	return out
 }
 
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *DatumClusterReference) DeepCopyInto(out *DatumClusterReference) {
+	*out = *in
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new DatumClusterReference.
+func (in *DatumClusterReference) DeepCopy() *DatumClusterReference {
+	if in == nil {
+		return nil
+	}
+	out := new(DatumClusterReference)
+	in.DeepCopyInto(out)
+	return out
+}
+
 // DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
 func (in *DatumClusterSpec) DeepCopyInto(out *DatumClusterSpec) {
 	*out = *in