Command-

command /menu:
   aliases: /m:
   trigger:
      wait 1 tick
      open chest with 3 rows named "menu" to player
      wait 1 tick

      format slot 0 of player with shiny diamond named "&bSpawn" with lore "&7hi" and "&7hello there" to
close then run [execute console command "/gold %player%"]

command /gold <player>:
    permission: op
    trigger:
       give 2 gold ingot to arg-1
       execute console command "/spawn %arg-1%"

 on join:
       wipe player's sidebar
       set name of sidebar of player to "OUR SCOREBOARD"
       set score "Hey, %player%." in sidebar of player to 3
       set score "Welcome to our server!." in sidebar of player to 2
       set score "I hope you enjoy!." in sidebar of player to 1