diff --git a/src/nodeClass.js b/src/nodeClass.js
index 94b3965..989b806 100644
--- a/src/nodeClass.js
+++ b/src/nodeClass.js
@@ -14,12 +14,13 @@ class nodeClass {
         this.node = nodeInstance;
         this.RED = RED;
         this.name = nameOfNode;
+        this.source = null;
 
         this._loadConfig(uiConfig)
-        this._registerChild();
         this._setupClass();
 
         this._attachInputHandler();
+        this._registerChild();
     }
 
     /**
@@ -32,27 +33,28 @@ class nodeClass {
             switch (msg.topic) {
                 case "clock":
                     toggleUpdate = true;
-                    this.reactor.updateState(msg.timestamp);
-                    send([this.reactor.getEffluent, null, null]);
+                    this.source.updateState(msg.timestamp);
+                    send([this.source.getEffluent, null, null]);
                     send([msg, null, null])
                     break;
                 case "Fluent":
-                    this.reactor.setInfluent = msg;
+                    this.source.setInfluent = msg;
                     break;
                 case "OTR":
-                    this.reactor.setOTR = msg;
+                    this.source.setOTR = msg;
                     break;
                 case "Temperature":
-                    this.reactor.setTemperature = msg;
+                    this.source.setTemperature = msg;
                     break;
                 case "Dispersion":
-                    this.reactor.setDispersion = msg;
+                    this.source.setDispersion = msg;
                     break;
                 case 'registerChild':
                     // Register this node as a child of the parent node
                     const childId = msg.payload;
                     const childObj = this.RED.nodes.getNode(childId); 
-                    this.reactor.childRegistrationUtils.registerChild(childObj.source, msg.positionVsParent);
+                    console.log(childObj.source);
+                    this.source.childRegistrationUtils.registerChild(childObj.source, msg.positionVsParent);
                     break;
                 default:
                     console.log("Unknown topic: " + msg.topic);
@@ -76,7 +78,7 @@ class nodeClass {
                 unit: null
             },
             functionality: {
-                softwareType: null // should be set in config manager
+                softwareType: "reactor" // should be set in config manager
             },
             reactor_type: uiConfig.reactor_type,
             volume: parseFloat(uiConfig.volume),
@@ -112,7 +114,7 @@ class nodeClass {
         this.node.send([
             null,
             null,
-            { topic: 'registerChild', payload: this.node.id, positionVsParent: this.config?.functionality?.positionVsParent || 'atEquipment' },
+            { topic: 'registerChild', payload: this.node.id, positionVsParent: this.config?.functionality?.positionVsParent || 'atEquipment' }
         ]);
         }, 100);
     }
@@ -134,7 +136,8 @@ class nodeClass {
                 console.warn("Unknown reactor type: " + uiConfig.reactor_type);
         }
 
-        this.reactor = new_reactor; // protect from reassignment
+        this.source = new_reactor; // protect from reassignment
+        this.node.source = this.source;
     }
 }
 
diff --git a/src/specificClass.js b/src/specificClass.js
index 474ebf7..99ed988 100644
--- a/src/specificClass.js
+++ b/src/specificClass.js
@@ -20,6 +20,7 @@ class Reactor {
    * @param {object} config - Configuration object containing reactor parameters.
    */
   constructor(config) {
+    this.config = config;
     // EVOLV stuff
     this.logger = new logger(undefined, undefined, config.general.name);
     this.emitter = new EventEmitter();
@@ -122,7 +123,7 @@ class Reactor {
         n += 1;
       }
       this.currentTime += n_iter * this.timeStep * day2ms / this.speedUpFactor;
-      this.emitter.emit("stateChanges", this.getEffluent);
+      this.emitter.emit("stateChange", this.getEffluent);
     }
   }
 }