Alexa show 8 and push to talk

Is there a way to change the push-to-talk button on my show 8? I can talk to folks but I have to keep my finger on the mic to talk. I’d prefer if the mic was muted and when I press the mic it unmutes… press again… back to mute. I’ll be darned if I see a way to do this either in the Wyze app OR Alexa app.