[Trigger] next level help

[Daweed]

im making tower defense and i need help.
when level 1 finishes how do i start lvl 2
my friend said something about when all the unit type of " unit(the unit of lvl 1)" dies start level 2
i tried looking for it, i couldnt find a way to do that.

 

[GhostWolf]

• Events
  • A unit dies
• Conditions
• Actions
  • If/then/else
    • If
      • (unit type of (Triggeting unit) equals to (Your_Level_1_Creeps)) and (number of live units of type (Your_Level_1_Creeps) equal to 0)
    • Then
      • start round 2
    • Else
      • If/then/else
        • If
          • (unit type of (Triggeting unit) equals to (Your_Level_2_Creeps)) and (number of live units of type (Your_Level_2_Creeps) equal to 0)
        • Then
          • start round 3
        • Else