You simply choose, for example the 4 points, on the scene blender and give each of them button status.
Technically it would theoretically be possible to create one "virtual button" for all 4 twist points. But remember that HomeKit is under certification with pretty strict usage requirements from Apple, so we cannot really do this even though we would like to. This is for example possible with our Alexa action right now.
That you've now put it underneath the matter logo is misleading.
We have listed a selection of companies that have joined Matter. Please note that Matter is technically divided into "controllers" and "end devices". Controllers include HomeKit, Google Home, Alexa and end devices include Philips Hue Bridge, Nanoleaf, Govee and so on. Controllers can typically not control other controllers, since that would not make sense (you cannot "control" HomeKit from Alexa). Our intention is to be able to control all Matter end devices with Flic, having Flic Hub as a Matter controller.