diff --git a/Template Project/lib/ESPMegaPRO/AnalogIoT.hpp b/Template Project/lib/ESPMegaPRO/AnalogIoT.hpp
index 07447b3..40b02c7 100644
--- a/Template Project/lib/ESPMegaPRO/AnalogIoT.hpp	
+++ b/Template Project/lib/ESPMegaPRO/AnalogIoT.hpp	
@@ -5,7 +5,7 @@ class AnalogIoT : public IoTComponent {
     public:
         AnalogIoT();
         ~AnalogIoT();
-        bool begin(AnalogCard *card);
+        bool begin(AnalogCard *card, void (*publishRelative)(uint8_t, char *, char *), PubSubClient *mqtt, char *base_topic);
         void handleMqttMessage(char *topic, char *payload);
         void publishADCs();
         void setADCsPublishInterval(uint32_t interval);
diff --git a/Template Project/lib/ESPMegaPRO/DigitalInputIoT.hpp b/Template Project/lib/ESPMegaPRO/DigitalInputIoT.hpp
index c910175..38a3071 100644
--- a/Template Project/lib/ESPMegaPRO/DigitalInputIoT.hpp	
+++ b/Template Project/lib/ESPMegaPRO/DigitalInputIoT.hpp	
@@ -5,7 +5,7 @@
 
 class DigitalInputIoT : public IoTComponent {
     public:
-        bool begin(DigitalInputCard *card);
+        bool begin(DigitalInputCard *card, void (*publishRelative)(uint8_t, char *, char *), PubSubClient *mqtt, char *base_topic);
         void handleMqttMessage(char *topic, char *payload);
         void publishDigitalInputs();
         void setDigitalInputsPublishEnabled(bool enabled);
@@ -15,6 +15,5 @@ class DigitalInputIoT : public IoTComponent {
         uint8_t getType();
     private:
         bool digital_inputs_publish_enabled = false;
-
         DigitalInputCard *card;
 };
\ No newline at end of file
diff --git a/Template Project/lib/ESPMegaPRO/DigitalOutputIoT.cpp b/Template Project/lib/ESPMegaPRO/DigitalOutputIoT.cpp
index d9c8bab..3d88d77 100644
--- a/Template Project/lib/ESPMegaPRO/DigitalOutputIoT.cpp	
+++ b/Template Project/lib/ESPMegaPRO/DigitalOutputIoT.cpp	
@@ -10,7 +10,10 @@ DigitalOutputIoT::~DigitalOutputIoT() {
     delete[] this->value_report_topic;
 }
 
-bool DigitalOutputIoT::begin(ExpansionCard *card) {
+bool DigitalOutputIoT::begin(ExpansionCard *card, void (*publishRelative)(uint8_t, char *, char *), PubSubClient *mqtt, char *base_topic) {
+    this->mqtt = mqtt;
+    this->base_topic = base_topic;
+    this->publishRelative = publishRelative;
     this->card = (DigitalOutputCard *) card;
     this->set_state_length = strlen(SET_STATE_TOPIC);
     this->set_value_length = strlen(SET_VALUE_TOPIC);
diff --git a/Template Project/lib/ESPMegaPRO/DigitalOutputIoT.hpp b/Template Project/lib/ESPMegaPRO/DigitalOutputIoT.hpp
index 5d30070..7c81da2 100644
--- a/Template Project/lib/ESPMegaPRO/DigitalOutputIoT.hpp	
+++ b/Template Project/lib/ESPMegaPRO/DigitalOutputIoT.hpp	
@@ -7,7 +7,7 @@ class DigitalOutputIoT : public IoTComponent {
     public:
         DigitalOutputIoT();
         ~DigitalOutputIoT();
-        bool begin(ExpansionCard *card);
+        bool begin(ExpansionCard *card, void (*publishRelative)(uint8_t, char *, char *), PubSubClient *mqtt, char *base_topic);
         void handleMqttMessage(char *topic, char *payload);
         void publishDigitalOutputs();
         void publishDigitalOutput(uint8_t pin);
diff --git a/Template Project/lib/ESPMegaPRO/ESPMegaIoT.cpp b/Template Project/lib/ESPMegaPRO/ESPMegaIoT.cpp
index bd1a364..9891da2 100644
--- a/Template Project/lib/ESPMegaPRO/ESPMegaIoT.cpp	
+++ b/Template Project/lib/ESPMegaPRO/ESPMegaIoT.cpp	
@@ -19,3 +19,28 @@ void ESPMegaIoT::mqttCallback(char *topic, byte *payload, unsigned int length) {
     components[card_id]->handleMqttMessage(topic_without_base + 3, payload_buffer);
 }
 
+void ESPMegaIoT::setBaseTopic(char *base_topic) {
+    strcpy(this->base_topic, base_topic);
+    base_topic_length = strlen(base_topic);
+}
+
+void ESPMegaIoT::begin() {
+    
+}
+void ESPMegaIoT::loop();
+void ESPMegaIoT::registerCard(uint8_t card_id);
+void ESPMegaIoT::deregisterCard(uint8_t card_id);
+void ESPMegaIoT::publishCard(uint8_t card_id);
+void ESPMegaIoT::subscribeToTopic(char *topic);
+void ESPMegaIoT::unsubscribeFromTopic(char *topic);
+void ESPMegaIoT::connectToEthernet();
+bool ESPMegaIoT::ethernetConnected();
+void ESPMegaIoT::connectToWifi(char *ssid, char *password);
+void ESPMegaIoT::connectToWifi(char *ssid);
+void ESPMegaIoT::disconnectFromWifi();
+bool ESPMegaIoT::wifiConnected();
+void ESPMegaIoT::connectToMqtt(char *mqtt_server, uint16_t mqtt_port, char *mqtt_user, char *mqtt_password);
+void ESPMegaIoT::connectToMqtt(char *mqtt_server, uint16_t mqtt_port);
+void ESPMegaIoT::disconnectFromMqtt();
+void ESPMegaIoT::publishToTopic(char *topic, char *payload);
+void ESPMegaIoT::registerMqttCallback(void (*callback)(char *, char *));
diff --git a/Template Project/lib/ESPMegaPRO/ESPMegaIoT.hpp b/Template Project/lib/ESPMegaPRO/ESPMegaIoT.hpp
index 7eed58c..7f5f4cd 100644
--- a/Template Project/lib/ESPMegaPRO/ESPMegaIoT.hpp	
+++ b/Template Project/lib/ESPMegaPRO/ESPMegaIoT.hpp	
@@ -30,15 +30,19 @@ class ESPMegaIoT
         void disconnectFromMqtt();
         void publishToTopic(char *topic, char *payload);
         void registerMqttCallback(void (*callback)(char *, char *));
+        void setBaseTopic(char *base_topic);
+        
 
     private:
         void sessionKeepAlive();
         void mqttReconnect();
         void wifiReconnect();
         void mqttCallback(char *topic, byte *payload, unsigned int length);
+        void publishRelative(char *topic, char *payload);
         PubSubClient mqtt;
         IoTComponent *components[255];
         bool card_publish_enabled[255];
         char payload_buffer[200];
         char base_topic[100];
+        uint8_t base_topic_length;
 };
\ No newline at end of file
diff --git a/Template Project/lib/ESPMegaPRO/IoTComponent.hpp b/Template Project/lib/ESPMegaPRO/IoTComponent.hpp
index 3321857..8211aac 100644
--- a/Template Project/lib/ESPMegaPRO/IoTComponent.hpp	
+++ b/Template Project/lib/ESPMegaPRO/IoTComponent.hpp	
@@ -3,11 +3,13 @@
 #include <PubSubClient.h>
 class IoTComponent {
     public:
-        virtual bool begin(ExpansionCard *card);
+        virtual bool begin(ExpansionCard *card, void (*publishRelative)(uint8_t, char *, char *), PubSubClient *mqtt, char *base_topic);
         virtual void handleMqttMessage(char *topic, char *payload);
         void setMqttClient(PubSubClient *mqtt);
         virtual void publishReport();
         virtual uint8_t getType();
     protected:
+        char *base_topic;
+        void (*publishRelative)(uint8_t, char *, char *);
         PubSubClient *mqtt;
 };