 Program
   BeforeStart
     publish_topic≔"QetmbL3kuHpPdV8xGVxD/instance1/pub"
     qos≔1
     retained≔ False 
     counter≔1
     failed≔0
   Robot Program
     var_1≔mqtt_initialize_anonymous("test.mosquitto.org", 1883)
     'var_3≔mqtt_set_max_queue(1)'
     var_2≔mqtt_connect()
     Loop
       Folder
         result≔mqtt_publish(publish_topic,counter,qos,retained)
         If result≠"OK-CODE-080"
           failed≔failed+1
         counter≔counter+1
       Wait: 0.5
