--- a/bmsd/mqtt.h	Thu May 14 14:38:20 2020 +0200
+++ b/bmsd/mqtt.h	Mon May 18 11:00:59 2020 +0200
@@ -7,6 +7,13 @@
 
 
 /**
+ * @brief Publish MQTT message.
+ * @param topic The topic part of the message.
+ * @param payload The payload part of the message.
+ */
+void mqtt_publish(char *topic, char *payload);
+
+/**
  * @brief Connect to the MQTT server.
  * @return 0 if success, else the connection failed.
  */