diff --git a/api/v1alpha1/classifier_types.go b/api/v1alpha1/classifier_types.go
index b44af26..7b063f5 100644
--- a/api/v1alpha1/classifier_types.go
+++ b/api/v1alpha1/classifier_types.go
@@ -132,6 +132,12 @@ type DeployedResourceConstraint struct {
 	// MaxCount is the maximun number of resources to match
 	// +optional
 	MaxCount *int `json:"maxCount,omitempty"`
+
+	// Script is a text containing a lua script.
+	// Must return struct with field "matching"
+	// representing whether object is a match.
+	// +optional
+	Script string `json:"script,omitempty"`
 }
 
 type KubernetesComparison string
diff --git a/config/crd/bases/lib.projectsveltos.io_classifiers.yaml b/config/crd/bases/lib.projectsveltos.io_classifiers.yaml
index 929abdc..0fe8259 100644
--- a/config/crd/bases/lib.projectsveltos.io_classifiers.yaml
+++ b/config/crd/bases/lib.projectsveltos.io_classifiers.yaml
@@ -123,6 +123,11 @@ spec:
                       description: Namespace of the resource deployed in the  Cluster.
                         Empty for resources scoped at cluster level.
                       type: string
+                    script:
+                      description: Script is a text containing a lua script. Must
+                        return struct with field "matching" representing whether object
+                        is a match.
+                      type: string
                     version:
                       description: Version of the resource deployed in the Cluster.
                       type: string
diff --git a/lib/crd/classifiers.go b/lib/crd/classifiers.go
index 630e5db..4870782 100644
--- a/lib/crd/classifiers.go
+++ b/lib/crd/classifiers.go
@@ -142,6 +142,11 @@ spec:
                       description: Namespace of the resource deployed in the  Cluster.
                         Empty for resources scoped at cluster level.
                       type: string
+                    script:
+                      description: Script is a text containing a lua script. Must
+                        return struct with field "matching" representing whether object
+                        is a match.
+                      type: string
                     version:
                       description: Version of the resource deployed in the Cluster.
                       type: string