@vidin you can implement the blinking in MY_INDICATION_HANDLER. There are some examples in the forum. Search link: https://forum.mysensors.org/search?term=My_indication_handler&in=titlesposts Check them out and try writing your own. If you get into trouble, just post how far you got and someone might be able to help you get further.

@vidin https://github.com/tobof/openhab2-addons/wiki

@vidin use MY_TRANSPORT_WAIT_READY_MS You can search the forum for MY_TRANSPORT_WAIT_READY_MS to find earlier discussions on how to use it.