WPS start on Turris Omnia

hello
i can’t find out how to start WPS on the Turris Omnia.
Normaly i would switch on connect and then after a couple of minute it will switch off automatic - but how to start it?
have a nice day
vinc

Have you seen this?

https://wiki.openwrt.org/doc/uci/wireless#wps_options

no not seen - thanks - so it is not in the LuCi GUI