Hue smart button, can’t find /action topic Zigbee2Mqtt

I tried using a blueprint for the hue smart button. Iam using zigbee2mqtt.

In the blueprint they ask for the /action topic.
But I can’t find it neither in the normal config or in the z2m config.

Where can I find this?

Thanks in advance :slight_smile:

Did you find the right string? I have the same problem & need some help.