***ClockTask is a Tasker plugin****
Actions:
-Set alarm (Jelly Bean and above)
-Delete alarm (Jelly Bean and above)
-Dismiss alarm set in default clock app (Marshmallow and above)
-Snooze alarm in default clock app (Marshmallow and above)
-Get next alarm (set by any app) (Lollipop and above)
-Change the look and feel of your alarm clock screen

Conditions:
-Next alarm change (of any app) (Lollipop and above)
-Dismissed or snoozed alarm (Jelly Bean and above)

Note: it seems there's a bug in Samsung clock app and the plugin actions don't work with Samsung stock clock app.