Example for @AlLeg0

command /kiss [<player>]:
	permission: actions.kiss
	permission message: &cYou do not have permission to do this!
    trigger:
            if arg 1 is not set:
                send message " &4❤ &fYou just kissed yourself. Forever a loner &4❤" to player
            else:
                send message " &4❤ &fYou kissed %display name of player-argument% &4❤" to player
                send message " &4❤ &f%display name of player% just kissed you.&4 ❤" to player-argument