https://github.com/vitorpamplona/amethyst/issues/235
According to #[5]
Long press on the zap to setup custom amounts or double press on the zap to create a single custom zap with message.
Please Login to reply.
Thanks!
Dumb question.... Where does the public message go when double tapped?
It goes into the zap message. Amethyst doesn't show that yet.