1 files changed, 6 insertions, 6 deletions
diff --git a/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/GroupDataDefinition.java b/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/GroupDataDefinition.java
index d4981a72ae..c46e21166c 100644
--- a/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/GroupDataDefinition.java
+++ b/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/GroupDataDefinition.java
@@ -20,15 +20,15 @@
 
 package org.openecomp.sdc.be.datatypes.elements;
 
+import org.openecomp.sdc.be.datatypes.enums.JsonPresentationFields;
+import org.openecomp.sdc.be.datatypes.tosca.ToscaDataDefinition;
+
 import java.io.Serializable;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
-import org.openecomp.sdc.be.datatypes.enums.JsonPresentationFields;
-import org.openecomp.sdc.be.datatypes.tosca.ToscaDataDefinition;
-
 
 public class GroupDataDefinition extends ToscaDataDefinition implements Serializable {
 
@@ -188,8 +188,8 @@ public class GroupDataDefinition extends ToscaDataDefinition implements Serializ
 				+ super.toString() + "]";
 	}
 
-	
-
-	
 
+	public boolean containsInstanceAsMember(String instanceId) {
+		return getMembers() != null && getMembers().values().contains(instanceId);
+	}
 }