diff --git a/AlgebraicDataflowArchitectureModel/src/simulator/interfaces/html/HtmlElement.java b/AlgebraicDataflowArchitectureModel/src/simulator/interfaces/html/HtmlElement.java
index b8655a1..76a1463 100644
--- a/AlgebraicDataflowArchitectureModel/src/simulator/interfaces/html/HtmlElement.java
+++ b/AlgebraicDataflowArchitectureModel/src/simulator/interfaces/html/HtmlElement.java
@@ -16,6 +16,7 @@
 	private String text;
 	private Map<String, String> styles;
 	private Set<String> classes;
+	private JsonTerm data;
 	private IRestEventListener restEventListener;
 	
 	HtmlElement(String type, String id, String text){
@@ -24,6 +25,7 @@
 		this.text = text;
 		styles = new HashMap<>();
 		classes = new HashSet<>();
+		data = new JsonTerm();
 	}
 	
 	public void setStyle(String property, String value) {
@@ -42,6 +44,10 @@
 		classes.remove(className);
 	}
 	
+	public void setData(JsonTerm newJson) {
+		data = newJson;
+	}
+	
 	public MapTerm toMap() {
 		MapTerm res = new MapTerm();
 		res.insert("type", new Constant("\"" + type + "\""));
@@ -54,6 +60,7 @@
 		res.insert("styles", stylesMap);
 		String classTmp = "\"" + String.join(" ", classes) + "\"";
 		res.insert("class", new Constant(classTmp));
+		res.insert("data", data);
 		return res;
 	}