You can use the Alexa device to control SLING TV with your voice. You can try it with using these commands.
“Alexa, open SLING”
“Alexa, exit SLING”
“Alexa, go to SLING TV”
“Alexa, watch AMC on SLING TV”
“Alexa, go to History Channel”
“Alexa, watch ESPN”
“Alexa, change the channel to CNN”
“Alexa, tune to Comedy Central”
“Alexa, pause”
“Alexa, resume”
“Alexa, rewind”
“Alexa, rewind {number} seconds/minutes”. Example: “Alexa, rewind 10 seconds”
“Alexa, go back {number} seconds/minutes”. Example: “Alexa, go back 1 minute”
“Alexa, fast forward”
“Alexa, fast forward {number} seconds/minutes”. Example: “Alexa, fast forward 5 minutes”
“Alexa, start over”
“Alexa, play from the beginning”