[Solved] How to evaluate boolean attributes in rules for mysensors multidevice

---

I don’t know how to evaluate a boolean attribute in a mysensors multidevice in rules. I tried
when $mydevice.isCharging = 1 or
when $mydevice.isCharging = true or
when $mydevice.isCharging = "true" or
when $mydevice.isCharging.
Nothing works. When I log the attribute with
log "$mydevice.isCharging" it reports true.

Try: when isCharging of mydevice is "true" or without ""

Thanks a lot. when isCharging of mydevice is true does the job.