diff --git a/AlgebraicDataflowArchitectureModel/src/models/dataConstraintModel/ResourcePath.java b/AlgebraicDataflowArchitectureModel/src/models/dataConstraintModel/ResourcePath.java
index e500b3d..8966209 100644
--- a/AlgebraicDataflowArchitectureModel/src/models/dataConstraintModel/ResourcePath.java
+++ b/AlgebraicDataflowArchitectureModel/src/models/dataConstraintModel/ResourcePath.java
@@ -51,6 +51,14 @@
 		this.pathParams.add(exp);
 	}
 	
+	public ResourcePath(ResourcePath parent, Expression exp, ResourceHierarchy resourceHierarchy) {
+		super(parent.toString() + ".{" + exp + "}");
+		this.parent = parent;
+		this.resourceHierarchy = resourceHierarchy;
+		this.pathParams = new ArrayList<>(parent.getPathParams());
+		this.pathParams.add(exp);
+	}
+	
 	public ResourcePath(ResourcePath another) {
 		super(another.name);
 		this.parent = another.parent;