want to set it up so when min players are met it will throw airdrops

lets say i dont want airdrops comming like vanilla until there is 40 players online.

check your config there is already an option for this, "Minimum players for timed Drop": 1

"Timer": {
    "Cleanup old Drops at serverstart": true,
    "Maximum minutes for random timer delay ": 50,
    "Minimum minutes for random timer delay ": 30,
    "Minimum players for timed Drop": 1, 
    "Remove builtIn Airdrop": true,
    "Reset Timer after manual random drop": false,
    "Use Airdrop timer": true,
    "Used Airdrop timer command": "random"
  },