Integrating wlanthy with "xkb_layout"

[yehelip]

Hi, I use sway and up until recently I only used two keyboard layouts(none of which are Japanese), and switched between them in the following way in the .config/sway/config file:

input * {
    xkb_layout "us,il"
    xkb_options "grp:caps_toggle"
}

I would like to make it possible so that when I press tab, the keyboard layout would still change like it does now, but also "toggle" to the wlanthy service so that I could seamlessly switch between all three languages using tab. How can I do this?