Binding

Ongoing discussion about this feature can be found here: https://github.com/Koenkk/zigbee2mqtt/issues/782

Zigbee has support for binding which makes it possible that devices can directly control each other without the intervention of zigbee2mqtt or any home automation software.

When to use this

A use case for this is e.g. the TRADFRI wireless dimmer. Binding the dimmer directly to a bulb or group has the following advantages:

Commands

Binding can be configured using the following topics:

Binding specific endpoint

This is not applicable for most users

By default, the first endpoint is taken. In case your device has multiple endpoints, e.g. left and right. The following can be done to specifcy an endpoint:

Devices

Not all devices support this, it basically comes down to the Zigbee implementation of the device itself. Check the device specific page for more info (can be reached via the supported devices page)