"Samsung TV Remote" Driver installed and working. How to make a dashboard button for controlling it?

[djgutheinz]

Did you try clicking on the help link in the upper right hand corner on the device's edit page?

Also, a search for "Samsung TV Remote" showed the below (2nd on list):

Samsung Hubitat TV Integration (2016 and later)

Samsung TV Remote Control - Model Years 2016 and later. A lot of issues by NOT reading the installation instructions. READ THE INSTALLATION instructions before you install. Current Version: 4.1-2. See below GitHub link for installation and other information. Included fixes: Fix issue of commands sometimes not executing when WS is closed by increasing delay between wsOpen and sendCommand. Added wsOpen and wsClose to user interface per request. Clarified conflict error on SmartThings Comma…

This link points you to the installation instructions.