I need another help, I need a script or the code, for once a player has reached 2 kills or more is an example, without dying get a killstreak or perk.

[alejandrodarz]

I need another help, I need a script or the code, for once a player has reached 2 kills or more is an example, without dying get a killstreak. the code to give the perks and killstreak I already have them I only need the first thing I mentioned