diff --git a/src/espmega_iot_homeassistant.cpp b/src/espmega_iot_homeassistant.cpp
index e69de29..fe534ed 100644
--- a/src/espmega_iot_homeassistant.cpp
+++ b/src/espmega_iot_homeassistant.cpp
@@ -0,0 +1,24 @@
+#include <espmega_iot_homeassistant.hpp>
+void homeassistant_setup() {
+
+}
+void homeassistant_loop() {
+
+}
+void homeassistant_mqtt_callback(char* topic, uint8_t topic_length, char* payload, unsigned int payload_length) {
+
+}
+
+char* homeassistant_get_state(char* entity_id) {
+
+}
+void homeassistant_set_state(char* entity_id, char* state) { 
+    
+}
+
+char* homeassistant_get_attributes(char* entity_id, char* attribute_name) {
+
+}
+void homeassistant_set_attributes(char* entity_id, char* attribute_name, char* value) {
+
+} 
\ No newline at end of file
diff --git a/src/espmega_iot_homeassistant.hpp b/src/espmega_iot_homeassistant.hpp
index e69de29..8eb0511 100644
--- a/src/espmega_iot_homeassistant.hpp
+++ b/src/espmega_iot_homeassistant.hpp
@@ -0,0 +1,22 @@
+#pragma once
+#include <PubSubClient.h>
+
+extern PubSubClient mqtt;
+extern bool standalone;
+extern char MQTT_BASE_TOPIC[];
+
+void homeassistant_setup();
+void homeassistant_loop();
+
+void homeassistant_mqtt_callback(char* topic, uint8_t topic_length, char* payload, unsigned int payload_length);
+
+char* homeassistant_get_state(char* entity_id);
+void homeassistant_set_state(char* entity_id, char* state);
+
+char* homeassistant_get_attributes(char* entity_id, char* attribute_name);
+void homeassistant_set_attributes(char* entity_id, char* attribute_name, char* value);
+
+struct homeassistant_entity {
+    char* entity_id;
+    char* mqtt_topic;
+};
\ No newline at end of file